20347834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1607}}^1$

素因数の和:2109

約数の個数: 16

約数和(自身を含む): 32957568

約数和(自身を除く): 12609734

約数列:

[1, 2, 13, 26, 487, 974, 1607, 3214, 6331, 12662, 20891, 41782, 782609, 1565218, 10173917, 20347834]

約数ペア:

[(1, 20347834), (2, 10173917), (13, 1565218), (26, 782609), (487, 41782), (974, 20891), (1607, 12662), (3214, 6331)]