20102696720

素因数分解:

$2^4\times 5^1\times {\mathrm{251283709}}^1$

素因数の和:251283722

約数の個数: 20

約数和(自身を含む): 46738770060

約数和(自身を除く): 26636073340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251283709, 502567418, 1005134836, 1256418545, 2010269672, 2512837090, 4020539344, 5025674180, 10051348360, 20102696720]

約数ペア:

[(1, 20102696720), (2, 10051348360), (4, 5025674180), (5, 4020539344), (8, 2512837090), (10, 2010269672), (16, 1256418545), (20, 1005134836), (40, 502567418), (80, 251283709)]