20191287760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{9461}}^1$

素因数の和:9621

約数の個数: 160

約数和(自身を含む): 55642010112

約数和(自身を除く): 35450722352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 103, 112, 140, 148, 185, 206, 259, 280, 296, 370, 412, 515, 518, 560, 592, 721, 740, 824, 1030, 1036, 1295, 1442, 1480, 1648, 2060, 2072, 2590, 2884, 2960, 3605, 3811, 4120, 4144, 5180, 5768, 7210, 7622, 8240, 9461, 10360, 11536, 14420, 15244, 18922, 19055, 20720, 26677, 28840, 30488, 37844, 38110, 47305, 53354, 57680, 60976, 66227, 75688, 76220, 94610, 106708, 132454, 133385, 151376, 152440, 189220, 213416, 264908, 266770, 304880, 331135, 350057, 378440, 426832, 529816, 533540, 662270, 700114, 756880, 974483, 1059632, 1067080, 1324540, 1400228, 1750285, 1948966, 2134160, 2450399, 2649080, 2800456, 3500570, 3897932, 4872415, 4900798, 5298160, 5600912, 6821381, 7001140, 7795864, 9744830, 9801596, 12251995, 13642762, 14002280, 15591728, 19489660, 19603192, 24503990, 27285524, 28004560, 34106905, 36055871, 38979320, 39206384, 49007980, 54571048, 68213810, 72111742, 77958640, 98015960, 109142096, 136427620, 144223484, 180279355, 196031920, 252391097, 272855240, 288446968, 360558710, 504782194, 545710480, 576893936, 721117420, 1009564388, 1261955485, 1442234840, 2019128776, 2523910970, 2884469680, 4038257552, 5047821940, 10095643880, 20191287760]

約数ペア:

[(1, 20191287760), (2, 10095643880), (4, 5047821940), (5, 4038257552), (7, 2884469680), (8, 2523910970), (10, 2019128776), (14, 1442234840), (16, 1261955485), (20, 1009564388), (28, 721117420), (35, 576893936), (37, 545710480), (40, 504782194), (56, 360558710), (70, 288446968), (74, 272855240), (80, 252391097), (103, 196031920), (112, 180279355), (140, 144223484), (148, 136427620), (185, 109142096), (206, 98015960), (259, 77958640), (280, 72111742), (296, 68213810), (370, 54571048), (412, 49007980), (515, 39206384), (518, 38979320), (560, 36055871), (592, 34106905), (721, 28004560), (740, 27285524), (824, 24503990), (1030, 19603192), (1036, 19489660), (1295, 15591728), (1442, 14002280), (1480, 13642762), (1648, 12251995), (2060, 9801596), (2072, 9744830), (2590, 7795864), (2884, 7001140), (2960, 6821381), (3605, 5600912), (3811, 5298160), (4120, 4900798), (4144, 4872415), (5180, 3897932), (5768, 3500570), (7210, 2800456), (7622, 2649080), (8240, 2450399), (9461, 2134160), (10360, 1948966), (11536, 1750285), (14420, 1400228), (15244, 1324540), (18922, 1067080), (19055, 1059632), (20720, 974483), (26677, 756880), (28840, 700114), (30488, 662270), (37844, 533540), (38110, 529816), (47305, 426832), (53354, 378440), (57680, 350057), (60976, 331135), (66227, 304880), (75688, 266770), (76220, 264908), (94610, 213416), (106708, 189220), (132454, 152440), (133385, 151376)]