20531685

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 35176320

約数和(自身を除く): 14644635

約数列:

[1, 3, 5, 15, 19, 57, 61, 95, 183, 285, 305, 915, 1159, 1181, 3477, 3543, 5795, 5905, 17385, 17715, 22439, 67317, 72041, 112195, 216123, 336585, 360205, 1080615, 1368779, 4106337, 6843895, 20531685]

約数ペア:

[(1, 20531685), (3, 6843895), (5, 4106337), (15, 1368779), (19, 1080615), (57, 360205), (61, 336585), (95, 216123), (183, 112195), (285, 72041), (305, 67317), (915, 22439), (1159, 17715), (1181, 17385), (3477, 5905), (3543, 5795)]