20578636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23279}}^1$

素因数の和:23313

約数の個数: 24

約数和(自身を含む): 41065920

約数和(自身を除く): 20487284

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23279, 46558, 93116, 302627, 395743, 605254, 791486, 1210508, 1582972, 5144659, 10289318, 20578636]

約数ペア:

[(1, 20578636), (2, 10289318), (4, 5144659), (13, 1582972), (17, 1210508), (26, 791486), (34, 605254), (52, 395743), (68, 302627), (221, 93116), (442, 46558), (884, 23279)]