20306890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49529}}^1$

素因数の和:49577

約数の個数: 16

約数和(自身を含む): 37444680

約数和(自身を除く): 17137790

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49529, 99058, 247645, 495290, 2030689, 4061378, 10153445, 20306890]

約数ペア:

[(1, 20306890), (2, 10153445), (5, 4061378), (10, 2030689), (41, 495290), (82, 247645), (205, 99058), (410, 49529)]