20199077440

素因数分解:

$2^6\times 5^1\times {\mathrm{227}}^1\times {\mathrm{278071}}^1$

素因数の和:278315

約数の個数: 56

約数和(自身を含む): 48311116992

約数和(自身を除く): 28112039552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 227, 320, 454, 908, 1135, 1816, 2270, 3632, 4540, 7264, 9080, 14528, 18160, 36320, 72640, 278071, 556142, 1112284, 1390355, 2224568, 2780710, 4449136, 5561420, 8898272, 11122840, 17796544, 22245680, 44491360, 63122117, 88982720, 126244234, 252488468, 315610585, 504976936, 631221170, 1009953872, 1262442340, 2019907744, 2524884680, 4039815488, 5049769360, 10099538720, 20199077440]

約数ペア:

[(1, 20199077440), (2, 10099538720), (4, 5049769360), (5, 4039815488), (8, 2524884680), (10, 2019907744), (16, 1262442340), (20, 1009953872), (32, 631221170), (40, 504976936), (64, 315610585), (80, 252488468), (160, 126244234), (227, 88982720), (320, 63122117), (454, 44491360), (908, 22245680), (1135, 17796544), (1816, 11122840), (2270, 8898272), (3632, 5561420), (4540, 4449136), (7264, 2780710), (9080, 2224568), (14528, 1390355), (18160, 1112284), (36320, 556142), (72640, 278071)]