20215702072

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{5039}}^1\times {\mathrm{8221}}^1$

素因数の和:13327

約数の個数: 32

約数和(自身を含む): 38538158400

約数和(自身を除く): 18322456328

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 5039, 8221, 10078, 16442, 20156, 32884, 40312, 65768, 307379, 501481, 614758, 1002962, 1229516, 2005924, 2459032, 4011848, 41425619, 82851238, 165702476, 331404952, 2526962759, 5053925518, 10107851036, 20215702072]

約数ペア:

[(1, 20215702072), (2, 10107851036), (4, 5053925518), (8, 2526962759), (61, 331404952), (122, 165702476), (244, 82851238), (488, 41425619), (5039, 4011848), (8221, 2459032), (10078, 2005924), (16442, 1229516), (20156, 1002962), (32884, 614758), (40312, 501481), (65768, 307379)]