20213408040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{761}}^1$

素因数の和:1192

約数の個数: 256

約数和(自身を含む): 70296145920

約数和(自身を除く): 50082737880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 103, 105, 120, 140, 168, 206, 210, 280, 307, 309, 412, 420, 515, 614, 618, 721, 761, 824, 840, 921, 1030, 1228, 1236, 1442, 1522, 1535, 1545, 1842, 2060, 2149, 2163, 2283, 2456, 2472, 2884, 3044, 3070, 3090, 3605, 3684, 3805, 4120, 4298, 4326, 4566, 4605, 5327, 5768, 6088, 6140, 6180, 6447, 7210, 7368, 7610, 8596, 8652, 9132, 9210, 10654, 10745, 10815, 11415, 12280, 12360, 12894, 14420, 15220, 15981, 17192, 17304, 18264, 18420, 21308, 21490, 21630, 22830, 25788, 26635, 28840, 30440, 31621, 31962, 32235, 36840, 42616, 42980, 43260, 45660, 51576, 53270, 63242, 63924, 64470, 78383, 79905, 85960, 86520, 91320, 94863, 106540, 126484, 127848, 128940, 156766, 158105, 159810, 189726, 213080, 221347, 233627, 235149, 252968, 257880, 313532, 316210, 319620, 379452, 391915, 442694, 467254, 470298, 474315, 548681, 627064, 632420, 639240, 664041, 700881, 758904, 783830, 885388, 934508, 940596, 948630, 1097362, 1106735, 1168135, 1175745, 1264840, 1328082, 1401762, 1567660, 1635389, 1646043, 1770776, 1869016, 1881192, 1897260, 2194724, 2213470, 2336270, 2351490, 2656164, 2743405, 2803524, 3135320, 3270778, 3292086, 3320205, 3504405, 3794520, 4389448, 4426940, 4672540, 4702980, 4906167, 5312328, 5486810, 5607048, 6541556, 6584172, 6640410, 7008810, 8176945, 8230215, 8853880, 9345080, 9405960, 9812334, 10973620, 13083112, 13168344, 13280820, 14017620, 16353890, 16460430, 19624668, 21947240, 24063581, 24530835, 26561640, 28035240, 32707780, 32920860, 39249336, 48127162, 49061670, 65415560, 65841720, 72190743, 96254324, 98123340, 120317905, 144381486, 168445067, 192508648, 196246680, 240635810, 288762972, 336890134, 360953715, 481271620, 505335201, 577525944, 673780268, 721907430, 842225335, 962543240, 1010670402, 1347560536, 1443814860, 1684450670, 2021340804, 2526676005, 2887629720, 3368901340, 4042681608, 5053352010, 6737802680, 10106704020, 20213408040]

約数ペア:

[(1, 20213408040), (2, 10106704020), (3, 6737802680), (4, 5053352010), (5, 4042681608), (6, 3368901340), (7, 2887629720), (8, 2526676005), (10, 2021340804), (12, 1684450670), (14, 1443814860), (15, 1347560536), (20, 1010670402), (21, 962543240), (24, 842225335), (28, 721907430), (30, 673780268), (35, 577525944), (40, 505335201), (42, 481271620), (56, 360953715), (60, 336890134), (70, 288762972), (84, 240635810), (103, 196246680), (105, 192508648), (120, 168445067), (140, 144381486), (168, 120317905), (206, 98123340), (210, 96254324), (280, 72190743), (307, 65841720), (309, 65415560), (412, 49061670), (420, 48127162), (515, 39249336), (614, 32920860), (618, 32707780), (721, 28035240), (761, 26561640), (824, 24530835), (840, 24063581), (921, 21947240), (1030, 19624668), (1228, 16460430), (1236, 16353890), (1442, 14017620), (1522, 13280820), (1535, 13168344), (1545, 13083112), (1842, 10973620), (2060, 9812334), (2149, 9405960), (2163, 9345080), (2283, 8853880), (2456, 8230215), (2472, 8176945), (2884, 7008810), (3044, 6640410), (3070, 6584172), (3090, 6541556), (3605, 5607048), (3684, 5486810), (3805, 5312328), (4120, 4906167), (4298, 4702980), (4326, 4672540), (4566, 4426940), (4605, 4389448), (5327, 3794520), (5768, 3504405), (6088, 3320205), (6140, 3292086), (6180, 3270778), (6447, 3135320), (7210, 2803524), (7368, 2743405), (7610, 2656164), (8596, 2351490), (8652, 2336270), (9132, 2213470), (9210, 2194724), (10654, 1897260), (10745, 1881192), (10815, 1869016), (11415, 1770776), (12280, 1646043), (12360, 1635389), (12894, 1567660), (14420, 1401762), (15220, 1328082), (15981, 1264840), (17192, 1175745), (17304, 1168135), (18264, 1106735), (18420, 1097362), (21308, 948630), (21490, 940596), (21630, 934508), (22830, 885388), (25788, 783830), (26635, 758904), (28840, 700881), (30440, 664041), (31621, 639240), (31962, 632420), (32235, 627064), (36840, 548681), (42616, 474315), (42980, 470298), (43260, 467254), (45660, 442694), (51576, 391915), (53270, 379452), (63242, 319620), (63924, 316210), (64470, 313532), (78383, 257880), (79905, 252968), (85960, 235149), (86520, 233627), (91320, 221347), (94863, 213080), (106540, 189726), (126484, 159810), (127848, 158105), (128940, 156766)]