20507288

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{13421}}^1$

素因数の和:13618

約数の個数: 16

約数和(自身を含む): 38655360

約数和(自身を除く): 18148072

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 13421, 26842, 53684, 107368, 2563411, 5126822, 10253644, 20507288]

約数ペア:

[(1, 20507288), (2, 10253644), (4, 5126822), (8, 2563411), (191, 107368), (382, 53684), (764, 26842), (1528, 13421)]