20556765

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24043}}^1$

素因数の和:24073

約数の個数: 24

約数和(自身を含む): 37508640

約数和(自身を除く): 16951875

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 24043, 72129, 120215, 216387, 360645, 456817, 1081935, 1370451, 2284085, 4111353, 6852255, 20556765]

約数ペア:

[(1, 20556765), (3, 6852255), (5, 4111353), (9, 2284085), (15, 1370451), (19, 1081935), (45, 456817), (57, 360645), (95, 216387), (171, 120215), (285, 72129), (855, 24043)]