20649658

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1229}}^1$

素因数の和:1533

約数の個数: 16

約数和(自身を含む): 32117760

約数和(自身を除く): 11468102

約数列:

[1, 2, 31, 62, 271, 542, 1229, 2458, 8401, 16802, 38099, 76198, 333059, 666118, 10324829, 20649658]

約数ペア:

[(1, 20649658), (2, 10324829), (31, 666118), (62, 333059), (271, 76198), (542, 38099), (1229, 16802), (2458, 8401)]