20167518721

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{8893}}^1$

素因数の和:9121

約数の個数: 32

約数和(自身を含む): 24139312128

約数和(自身を除く): 3971793407

約数列:

[1, 7, 47, 61, 113, 329, 427, 791, 2867, 5311, 6893, 8893, 20069, 37177, 48251, 62251, 323971, 417971, 542473, 1004909, 2267797, 2925797, 3797311, 7034363, 25496231, 47230723, 61299449, 178473617, 330615061, 429096143, 2881074103, 20167518721]

約数ペア:

[(1, 20167518721), (7, 2881074103), (47, 429096143), (61, 330615061), (113, 178473617), (329, 61299449), (427, 47230723), (791, 25496231), (2867, 7034363), (5311, 3797311), (6893, 2925797), (8893, 2267797), (20069, 1004909), (37177, 542473), (48251, 417971), (62251, 323971)]