20862122

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:965

約数の個数: 16

約数和(自身を含む): 31974144

約数和(自身を除く): 11112022

約数列:

[1, 2, 61, 122, 271, 542, 631, 1262, 16531, 33062, 38491, 76982, 171001, 342002, 10431061, 20862122]

約数ペア:

[(1, 20862122), (2, 10431061), (61, 342002), (122, 171001), (271, 76982), (542, 38491), (631, 33062), (1262, 16531)]