20673675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8353}}^1$

素因数の和:8380

約数の個数: 36

約数和(自身を含む): 40399944

約数和(自身を除く): 19726269

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8353, 25059, 41765, 75177, 91883, 125295, 208825, 275649, 375885, 459415, 626475, 826947, 1378245, 1879425, 2297075, 4134735, 6891225, 20673675]

約数ペア:

[(1, 20673675), (3, 6891225), (5, 4134735), (9, 2297075), (11, 1879425), (15, 1378245), (25, 826947), (33, 626475), (45, 459415), (55, 375885), (75, 275649), (99, 208825), (165, 125295), (225, 91883), (275, 75177), (495, 41765), (825, 25059), (2475, 8353)]