20426954

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{577}}^1$

素因数の和:1181

約数の個数: 16

約数和(自身を含む): 31739136

約数和(自身を除く): 11312182

約数列:

[1, 2, 31, 62, 571, 577, 1142, 1154, 17701, 17887, 35402, 35774, 329467, 658934, 10213477, 20426954]

約数ペア:

[(1, 20426954), (2, 10213477), (31, 658934), (62, 329467), (571, 35774), (577, 35402), (1142, 17887), (1154, 17701)]