20121479180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1164

約数の個数: 192

約数和(自身を含む): 49990348800

約数和(自身を除く): 29868869620

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 59, 76, 83, 95, 110, 118, 166, 190, 209, 220, 236, 295, 332, 380, 415, 418, 590, 649, 830, 836, 913, 983, 1045, 1121, 1180, 1298, 1577, 1660, 1826, 1966, 2090, 2242, 2596, 3154, 3245, 3652, 3932, 4180, 4484, 4565, 4897, 4915, 5605, 6308, 6490, 7885, 9130, 9794, 9830, 10813, 11210, 12331, 12980, 15770, 17347, 18260, 18677, 19588, 19660, 21626, 22420, 24485, 24662, 31540, 34694, 37354, 43252, 48970, 49324, 53867, 54065, 57997, 61655, 69388, 74708, 81589, 86735, 93043, 93385, 97940, 107734, 108130, 115994, 123310, 163178, 173470, 186086, 186770, 205447, 215468, 216260, 231988, 246620, 269335, 289985, 326356, 346940, 372172, 373540, 407945, 410894, 465215, 538670, 579970, 637967, 815890, 821788, 897479, 930430, 1023473, 1027235, 1077340, 1101943, 1159940, 1275934, 1550191, 1631780, 1794958, 1860860, 2046946, 2054470, 2203886, 2551868, 3100382, 3189835, 3589916, 4093892, 4108940, 4407772, 4487395, 4813751, 5117365, 5509715, 6200764, 6379670, 7750955, 8974790, 9627502, 10234730, 11019430, 12121373, 12759340, 15501910, 17052101, 17949580, 19255004, 20469460, 22038860, 24068755, 24242746, 31003820, 34104202, 48137510, 48485492, 52951261, 60606865, 68208404, 85260505, 91461269, 96275020, 105902522, 121213730, 170521010, 182922538, 211805044, 242427460, 264756305, 341042020, 365845076, 457306345, 529512610, 914612690, 1006073959, 1059025220, 1829225380, 2012147918, 4024295836, 5030369795, 10060739590, 20121479180]

約数ペア:

[(1, 20121479180), (2, 10060739590), (4, 5030369795), (5, 4024295836), (10, 2012147918), (11, 1829225380), (19, 1059025220), (20, 1006073959), (22, 914612690), (38, 529512610), (44, 457306345), (55, 365845076), (59, 341042020), (76, 264756305), (83, 242427460), (95, 211805044), (110, 182922538), (118, 170521010), (166, 121213730), (190, 105902522), (209, 96275020), (220, 91461269), (236, 85260505), (295, 68208404), (332, 60606865), (380, 52951261), (415, 48485492), (418, 48137510), (590, 34104202), (649, 31003820), (830, 24242746), (836, 24068755), (913, 22038860), (983, 20469460), (1045, 19255004), (1121, 17949580), (1180, 17052101), (1298, 15501910), (1577, 12759340), (1660, 12121373), (1826, 11019430), (1966, 10234730), (2090, 9627502), (2242, 8974790), (2596, 7750955), (3154, 6379670), (3245, 6200764), (3652, 5509715), (3932, 5117365), (4180, 4813751), (4484, 4487395), (4565, 4407772), (4897, 4108940), (4915, 4093892), (5605, 3589916), (6308, 3189835), (6490, 3100382), (7885, 2551868), (9130, 2203886), (9794, 2054470), (9830, 2046946), (10813, 1860860), (11210, 1794958), (12331, 1631780), (12980, 1550191), (15770, 1275934), (17347, 1159940), (18260, 1101943), (18677, 1077340), (19588, 1027235), (19660, 1023473), (21626, 930430), (22420, 897479), (24485, 821788), (24662, 815890), (31540, 637967), (34694, 579970), (37354, 538670), (43252, 465215), (48970, 410894), (49324, 407945), (53867, 373540), (54065, 372172), (57997, 346940), (61655, 326356), (69388, 289985), (74708, 269335), (81589, 246620), (86735, 231988), (93043, 216260), (93385, 215468), (97940, 205447), (107734, 186770), (108130, 186086), (115994, 173470), (123310, 163178)]