20081242

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2063}}^1$

素因数の和:2253

約数の個数: 16

約数和(自身を含む): 31306752

約数和(自身を除く): 11225510

約数列:

[1, 2, 31, 62, 157, 314, 2063, 4126, 4867, 9734, 63953, 127906, 323891, 647782, 10040621, 20081242]

約数ペア:

[(1, 20081242), (2, 10040621), (31, 647782), (62, 323891), (157, 127906), (314, 63953), (2063, 9734), (4126, 4867)]