20613675

素因数分解:

$3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1439}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 34283520

約数和(自身を除く): 13669845

約数列:

[1, 3, 5, 15, 25, 75, 191, 573, 955, 1439, 2865, 4317, 4775, 7195, 14325, 21585, 35975, 107925, 274849, 824547, 1374245, 4122735, 6871225, 20613675]

約数ペア:

[(1, 20613675), (3, 6871225), (5, 4122735), (15, 1374245), (25, 824547), (75, 274849), (191, 107925), (573, 35975), (955, 21585), (1439, 14325), (2865, 7195), (4317, 4775)]