20903129

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 23167872

約数和(自身を除く): 2264743

約数列:

[1, 13, 67, 103, 233, 871, 1339, 3029, 6901, 15611, 23999, 89713, 202943, 311987, 1607933, 20903129]

約数ペア:

[(1, 20903129), (13, 1607933), (67, 311987), (103, 202943), (233, 89713), (871, 23999), (1339, 15611), (3029, 6901)]