20005550

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8513}}^1$

素因数の和:8572

約数の個数: 24

約数和(自身を含む): 38006496

約数和(自身を除く): 18000946

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 8513, 17026, 42565, 85130, 212825, 400111, 425650, 800222, 2000555, 4001110, 10002775, 20005550]

約数ペア:

[(1, 20005550), (2, 10002775), (5, 4001110), (10, 2000555), (25, 800222), (47, 425650), (50, 400111), (94, 212825), (235, 85130), (470, 42565), (1175, 17026), (2350, 8513)]