206526020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251861}}^1$

素因数の和:251911

約数の個数: 24

約数和(自身を含む): 444284568

約数和(自身を除く): 237758548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 251861, 503722, 1007444, 1259305, 2518610, 5037220, 10326301, 20652602, 41305204, 51631505, 103263010, 206526020]

約数ペア:

[(1, 206526020), (2, 103263010), (4, 51631505), (5, 41305204), (10, 20652602), (20, 10326301), (41, 5037220), (82, 2518610), (164, 1259305), (205, 1007444), (410, 503722), (820, 251861)]