20209625

素因数分解:

$5^3\times {\mathrm{107}}^1\times {\mathrm{1511}}^1$

素因数の和:1633

約数の個数: 16

約数和(自身を含む): 25474176

約数和(自身を除く): 5264551

約数列:

[1, 5, 25, 107, 125, 535, 1511, 2675, 7555, 13375, 37775, 161677, 188875, 808385, 4041925, 20209625]

約数ペア:

[(1, 20209625), (5, 4041925), (25, 808385), (107, 188875), (125, 161677), (535, 37775), (1511, 13375), (2675, 7555)]