20587375

素因数分解:

$5^3\times {\mathrm{109}}^1\times {\mathrm{1511}}^1$

素因数の和:1635

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 5358545

約数列:

[1, 5, 25, 109, 125, 545, 1511, 2725, 7555, 13625, 37775, 164699, 188875, 823495, 4117475, 20587375]

約数ペア:

[(1, 20587375), (5, 4117475), (25, 823495), (109, 188875), (125, 164699), (545, 37775), (1511, 13625), (2725, 7555)]