20576470820

素因数分解:

$2^2\times 5^1\times {\mathrm{6287}}^1\times {\mathrm{163643}}^1$

素因数の和:169939

約数の個数: 24

約数和(自身を含む): 43217725824

約数和(自身を除く): 22641255004

約数列:

[1, 2, 4, 5, 10, 20, 6287, 12574, 25148, 31435, 62870, 125740, 163643, 327286, 654572, 818215, 1636430, 3272860, 1028823541, 2057647082, 4115294164, 5144117705, 10288235410, 20576470820]

約数ペア:

[(1, 20576470820), (2, 10288235410), (4, 5144117705), (5, 4115294164), (10, 2057647082), (20, 1028823541), (6287, 3272860), (12574, 1636430), (25148, 818215), (31435, 654572), (62870, 327286), (125740, 163643)]