20654501

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1601}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 25119360

約数和(自身を除く): 4464859

約数列:

[1, 7, 19, 97, 133, 679, 1601, 1843, 11207, 12901, 30419, 155297, 212933, 1087079, 2950643, 20654501]

約数ペア:

[(1, 20654501), (7, 2950643), (19, 1087079), (97, 212933), (133, 155297), (679, 30419), (1601, 12901), (1843, 11207)]