20465650

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2143}}^1$

素因数の和:2346

約数の個数: 24

約数和(自身を含む): 38283264

約数和(自身を除く): 17817614

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 2143, 4286, 4775, 9550, 10715, 21430, 53575, 107150, 409313, 818626, 2046565, 4093130, 10232825, 20465650]

約数ペア:

[(1, 20465650), (2, 10232825), (5, 4093130), (10, 2046565), (25, 818626), (50, 409313), (191, 107150), (382, 53575), (955, 21430), (1910, 10715), (2143, 9550), (4286, 4775)]