20381194

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 31114080

約数和(自身を除く): 10732886

約数列:

[1, 2, 101, 163, 202, 326, 619, 1238, 16463, 32926, 62519, 100897, 125038, 201794, 10190597, 20381194]

約数ペア:

[(1, 20381194), (2, 10190597), (101, 201794), (163, 125038), (202, 100897), (326, 62519), (619, 32926), (1238, 16463)]