20404218138

素因数分解:

$2^1\times 3^1\times {\mathrm{503}}^1\times {\mathrm{6760841}}^1$

素因数の和:6761349

約数の個数: 16

約数和(自身を含む): 40889572416

約数和(自身を除く): 20485354278

約数列:

[1, 2, 3, 6, 503, 1006, 1509, 3018, 6760841, 13521682, 20282523, 40565046, 3400703023, 6801406046, 10202109069, 20404218138]

約数ペア:

[(1, 20404218138), (2, 10202109069), (3, 6801406046), (6, 3400703023), (503, 40565046), (1006, 20282523), (1509, 13521682), (3018, 6760841)]