20215396

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 36013824

約数和(自身を除く): 15798428

約数列:

[1, 2, 4, 131, 173, 223, 262, 346, 446, 524, 692, 892, 22663, 29213, 38579, 45326, 58426, 77158, 90652, 116852, 154316, 5053849, 10107698, 20215396]

約数ペア:

[(1, 20215396), (2, 10107698), (4, 5053849), (131, 154316), (173, 116852), (223, 90652), (262, 77158), (346, 58426), (446, 45326), (524, 38579), (692, 29213), (892, 22663)]