20884110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53549}}^1$

素因数の和:53572

約数の個数: 32

約数和(自身を含む): 53978400

約数和(自身を除く): 33094290

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53549, 107098, 160647, 267745, 321294, 535490, 696137, 803235, 1392274, 1606470, 2088411, 3480685, 4176822, 6961370, 10442055, 20884110]

約数ペア:

[(1, 20884110), (2, 10442055), (3, 6961370), (5, 4176822), (6, 3480685), (10, 2088411), (13, 1606470), (15, 1392274), (26, 803235), (30, 696137), (39, 535490), (65, 321294), (78, 267745), (130, 160647), (195, 107098), (390, 53549)]