20003209628

素因数分解:

$2^2\times {\mathrm{2213}}^1\times {\mathrm{2259739}}^1$

素因数の和:2261956

約数の個数: 12

約数和(自身を含む): 35021450520

約数和(自身を除く): 15018240892

約数列:

[1, 2, 4, 2213, 4426, 8852, 2259739, 4519478, 9038956, 5000802407, 10001604814, 20003209628]

約数ペア:

[(1, 20003209628), (2, 10001604814), (4, 5000802407), (2213, 9038956), (4426, 4519478), (8852, 2259739)]