20925095228

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{333691}}^1$

素因数の和:334013

約数の個数: 24

約数和(自身を含む): 37364160624

約数和(自身を除く): 16439065396

約数列:

[1, 2, 4, 61, 122, 244, 257, 514, 1028, 15677, 31354, 62708, 333691, 667382, 1334764, 20355151, 40710302, 81420604, 85758587, 171517174, 343034348, 5231273807, 10462547614, 20925095228]

約数ペア:

[(1, 20925095228), (2, 10462547614), (4, 5231273807), (61, 343034348), (122, 171517174), (244, 85758587), (257, 81420604), (514, 40710302), (1028, 20355151), (15677, 1334764), (31354, 667382), (62708, 333691)]