20524360

素因数分解:

$2^3\times 5^1\times {\mathrm{513109}}^1$

素因数の和:513120

約数の個数: 16

約数和(自身を含む): 46179900

約数和(自身を除く): 25655540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 513109, 1026218, 2052436, 2565545, 4104872, 5131090, 10262180, 20524360]

約数ペア:

[(1, 20524360), (2, 10262180), (4, 5131090), (5, 4104872), (8, 2565545), (10, 2052436), (20, 1026218), (40, 513109)]