20458600

素因数分解:

$2^3\times 5^2\times {\mathrm{102293}}^1$

素因数の和:102309

約数の個数: 24

約数和(自身を含む): 47566710

約数和(自身を除く): 27108110

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102293, 204586, 409172, 511465, 818344, 1022930, 2045860, 2557325, 4091720, 5114650, 10229300, 20458600]

約数ペア:

[(1, 20458600), (2, 10229300), (4, 5114650), (5, 4091720), (8, 2557325), (10, 2045860), (20, 1022930), (25, 818344), (40, 511465), (50, 409172), (100, 204586), (200, 102293)]