20173985240

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{415787}}^1$

素因数の和:417011

約数の個数: 32

約数和(自身を含む): 45428996880

約数和(自身を除く): 25255011640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 2426, 4852, 6065, 9704, 12130, 24260, 48520, 415787, 831574, 1663148, 2078935, 3326296, 4157870, 8315740, 16631480, 504349631, 1008699262, 2017398524, 2521748155, 4034797048, 5043496310, 10086992620, 20173985240]

約数ペア:

[(1, 20173985240), (2, 10086992620), (4, 5043496310), (5, 4034797048), (8, 2521748155), (10, 2017398524), (20, 1008699262), (40, 504349631), (1213, 16631480), (2426, 8315740), (4852, 4157870), (6065, 3326296), (9704, 2078935), (12130, 1663148), (24260, 831574), (48520, 415787)]