20805817150

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2552861}}^1$

素因数の和:2553036

約数の個数: 24

約数和(自身を含む): 38936251224

約数和(自身を除く): 18130434074

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 4075, 8150, 2552861, 5105722, 12764305, 25528610, 63821525, 127643050, 416116343, 832232686, 2080581715, 4161163430, 10402908575, 20805817150]

約数ペア:

[(1, 20805817150), (2, 10402908575), (5, 4161163430), (10, 2080581715), (25, 832232686), (50, 416116343), (163, 127643050), (326, 63821525), (815, 25528610), (1630, 12764305), (4075, 5105722), (8150, 2552861)]