20725647560

素因数分解:

$2^3\times 5^1\times {\mathrm{5807}}^1\times {\mathrm{89227}}^1$

素因数の和:95045

約数の個数: 32

約数和(自身を含む): 46641260160

約数和(自身を除く): 25915612600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5807, 11614, 23228, 29035, 46456, 58070, 89227, 116140, 178454, 232280, 356908, 446135, 713816, 892270, 1784540, 3569080, 518141189, 1036282378, 2072564756, 2590705945, 4145129512, 5181411890, 10362823780, 20725647560]

約数ペア:

[(1, 20725647560), (2, 10362823780), (4, 5181411890), (5, 4145129512), (8, 2590705945), (10, 2072564756), (20, 1036282378), (40, 518141189), (5807, 3569080), (11614, 1784540), (23228, 892270), (29035, 713816), (46456, 446135), (58070, 356908), (89227, 232280), (116140, 178454)]