20923016

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 40780800

約数和(自身を除く): 19857784

約数列:

[1, 2, 4, 8, 31, 62, 124, 239, 248, 353, 478, 706, 956, 1412, 1912, 2824, 7409, 10943, 14818, 21886, 29636, 43772, 59272, 84367, 87544, 168734, 337468, 674936, 2615377, 5230754, 10461508, 20923016]

約数ペア:

[(1, 20923016), (2, 10461508), (4, 5230754), (8, 2615377), (31, 674936), (62, 337468), (124, 168734), (239, 87544), (248, 84367), (353, 59272), (478, 43772), (706, 29636), (956, 21886), (1412, 14818), (1912, 10943), (2824, 7409)]