20695845

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72617}}^1$

素因数の和:72644

約数の個数: 16

約数和(自身を含む): 34856640

約数和(自身を除く): 14160795

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 72617, 217851, 363085, 1089255, 1379723, 4139169, 6898615, 20695845]

約数ペア:

[(1, 20695845), (3, 6898615), (5, 4139169), (15, 1379723), (19, 1089255), (57, 363085), (95, 217851), (285, 72617)]