20542274

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{787}}^1$

素因数の和:1241

約数の個数: 16

約数和(自身を含む): 31923456

約数和(自身を除く): 11381182

約数列:

[1, 2, 31, 62, 421, 787, 842, 1574, 13051, 24397, 26102, 48794, 331327, 662654, 10271137, 20542274]

約数ペア:

[(1, 20542274), (2, 10271137), (31, 662654), (62, 331327), (421, 48794), (787, 26102), (842, 24397), (1574, 13051)]