20077191640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5237}}^1\times {\mathrm{8713}}^1$

素因数の和:13972

約数の個数: 64

約数和(自身を含む): 49295446560

約数和(自身を除く): 29218254920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 5237, 8713, 10474, 17426, 20948, 26185, 34852, 41896, 43565, 52370, 57607, 69704, 87130, 95843, 104740, 115214, 174260, 191686, 209480, 230428, 288035, 348520, 383372, 460856, 479215, 576070, 766744, 958430, 1152140, 1916860, 2304280, 3833720, 45629981, 91259962, 182519924, 228149905, 365039848, 456299810, 501929791, 912599620, 1003859582, 1825199240, 2007719164, 2509648955, 4015438328, 5019297910, 10038595820, 20077191640]

約数ペア:

[(1, 20077191640), (2, 10038595820), (4, 5019297910), (5, 4015438328), (8, 2509648955), (10, 2007719164), (11, 1825199240), (20, 1003859582), (22, 912599620), (40, 501929791), (44, 456299810), (55, 365039848), (88, 228149905), (110, 182519924), (220, 91259962), (440, 45629981), (5237, 3833720), (8713, 2304280), (10474, 1916860), (17426, 1152140), (20948, 958430), (26185, 766744), (34852, 576070), (41896, 479215), (43565, 460856), (52370, 383372), (57607, 348520), (69704, 288035), (87130, 230428), (95843, 209480), (104740, 191686), (115214, 174260)]