20512222020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1239

約数の個数: 288

約数和(自身を含む): 66924748800

約数和(自身を除く): 46412526780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 59, 60, 69, 79, 90, 92, 115, 118, 138, 158, 177, 180, 207, 230, 236, 237, 276, 295, 316, 345, 354, 395, 414, 460, 474, 531, 590, 690, 708, 711, 790, 828, 885, 948, 1035, 1062, 1063, 1180, 1185, 1357, 1380, 1422, 1580, 1770, 1817, 2070, 2124, 2126, 2370, 2655, 2714, 2844, 3189, 3540, 3555, 3634, 4071, 4140, 4252, 4661, 4740, 5310, 5315, 5428, 5451, 6378, 6785, 7110, 7268, 8142, 9085, 9322, 9567, 10620, 10630, 10902, 12213, 12756, 13570, 13983, 14220, 15945, 16284, 16353, 18170, 18644, 19134, 20355, 21260, 21804, 23305, 24426, 24449, 27140, 27255, 27966, 31890, 32706, 36340, 38268, 40710, 41949, 46610, 47835, 48852, 48898, 54510, 55932, 61065, 62717, 63780, 65412, 69915, 73347, 81420, 81765, 83898, 83977, 93220, 95670, 97796, 107203, 109020, 122130, 122245, 125434, 139830, 146694, 163530, 167796, 167954, 188151, 191340, 209745, 214406, 220041, 244260, 244490, 250868, 251931, 279660, 293388, 313585, 321609, 327060, 335908, 366735, 376302, 419490, 419885, 428812, 440082, 488980, 503862, 536015, 564453, 627170, 643218, 733470, 752604, 755793, 838980, 839770, 880164, 940755, 964827, 1007724, 1072030, 1100205, 1128906, 1254340, 1259655, 1286436, 1442491, 1466940, 1511586, 1608045, 1679540, 1881510, 1929654, 1931471, 2144060, 2200410, 2257812, 2519310, 2822265, 2884982, 3023172, 3216090, 3763020, 3778965, 3859308, 3862942, 4327473, 4400820, 4824135, 4954643, 5038620, 5644530, 5769964, 5794413, 6432180, 7212455, 7557930, 7725884, 8654946, 9648270, 9657355, 9909286, 11289060, 11588826, 12982419, 14424910, 14863929, 15115860, 17309892, 17383239, 19296540, 19314710, 19818572, 21637365, 23177652, 24773215, 25964838, 28849820, 28972065, 29727858, 34766478, 38629420, 43274730, 44591787, 49546430, 51929676, 57944130, 59455716, 64912095, 69532956, 74319645, 86549460, 86916195, 89183574, 99092860, 113956789, 115888260, 129824190, 148639290, 173832390, 178367148, 222958935, 227913578, 259648380, 297278580, 341870367, 347664780, 445917870, 455827156, 569783945, 683740734, 891835740, 1025611101, 1139567890, 1367481468, 1709351835, 2051222202, 2279135780, 3418703670, 4102444404, 5128055505, 6837407340, 10256111010, 20512222020]

約数ペア:

[(1, 20512222020), (2, 10256111010), (3, 6837407340), (4, 5128055505), (5, 4102444404), (6, 3418703670), (9, 2279135780), (10, 2051222202), (12, 1709351835), (15, 1367481468), (18, 1139567890), (20, 1025611101), (23, 891835740), (30, 683740734), (36, 569783945), (45, 455827156), (46, 445917870), (59, 347664780), (60, 341870367), (69, 297278580), (79, 259648380), (90, 227913578), (92, 222958935), (115, 178367148), (118, 173832390), (138, 148639290), (158, 129824190), (177, 115888260), (180, 113956789), (207, 99092860), (230, 89183574), (236, 86916195), (237, 86549460), (276, 74319645), (295, 69532956), (316, 64912095), (345, 59455716), (354, 57944130), (395, 51929676), (414, 49546430), (460, 44591787), (474, 43274730), (531, 38629420), (590, 34766478), (690, 29727858), (708, 28972065), (711, 28849820), (790, 25964838), (828, 24773215), (885, 23177652), (948, 21637365), (1035, 19818572), (1062, 19314710), (1063, 19296540), (1180, 17383239), (1185, 17309892), (1357, 15115860), (1380, 14863929), (1422, 14424910), (1580, 12982419), (1770, 11588826), (1817, 11289060), (2070, 9909286), (2124, 9657355), (2126, 9648270), (2370, 8654946), (2655, 7725884), (2714, 7557930), (2844, 7212455), (3189, 6432180), (3540, 5794413), (3555, 5769964), (3634, 5644530), (4071, 5038620), (4140, 4954643), (4252, 4824135), (4661, 4400820), (4740, 4327473), (5310, 3862942), (5315, 3859308), (5428, 3778965), (5451, 3763020), (6378, 3216090), (6785, 3023172), (7110, 2884982), (7268, 2822265), (8142, 2519310), (9085, 2257812), (9322, 2200410), (9567, 2144060), (10620, 1931471), (10630, 1929654), (10902, 1881510), (12213, 1679540), (12756, 1608045), (13570, 1511586), (13983, 1466940), (14220, 1442491), (15945, 1286436), (16284, 1259655), (16353, 1254340), (18170, 1128906), (18644, 1100205), (19134, 1072030), (20355, 1007724), (21260, 964827), (21804, 940755), (23305, 880164), (24426, 839770), (24449, 838980), (27140, 755793), (27255, 752604), (27966, 733470), (31890, 643218), (32706, 627170), (36340, 564453), (38268, 536015), (40710, 503862), (41949, 488980), (46610, 440082), (47835, 428812), (48852, 419885), (48898, 419490), (54510, 376302), (55932, 366735), (61065, 335908), (62717, 327060), (63780, 321609), (65412, 313585), (69915, 293388), (73347, 279660), (81420, 251931), (81765, 250868), (83898, 244490), (83977, 244260), (93220, 220041), (95670, 214406), (97796, 209745), (107203, 191340), (109020, 188151), (122130, 167954), (122245, 167796), (125434, 163530), (139830, 146694)]