20917884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134089}}^1$

素因数の和:134109

約数の個数: 24

約数和(自身を含む): 52563280

約数和(自身を除く): 31645396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134089, 268178, 402267, 536356, 804534, 1609068, 1743157, 3486314, 5229471, 6972628, 10458942, 20917884]

約数ペア:

[(1, 20917884), (2, 10458942), (3, 6972628), (4, 5229471), (6, 3486314), (12, 1743157), (13, 1609068), (26, 804534), (39, 536356), (52, 402267), (78, 268178), (156, 134089)]