20194885

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 24796800

約数和(自身を除く): 4601915

約数列:

[1, 5, 71, 163, 349, 355, 815, 1745, 11573, 24779, 56887, 57865, 123895, 284435, 4038977, 20194885]

約数ペア:

[(1, 20194885), (5, 4038977), (71, 284435), (163, 123895), (349, 57865), (355, 56887), (815, 24779), (1745, 11573)]