20455888905

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1016947}}^1$

素因数の和:1017110

約数の個数: 32

約数和(自身を含む): 36610128000

約数和(自身を除く): 16154239095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 4023, 6705, 20115, 1016947, 3050841, 5084735, 9152523, 15254205, 27457569, 45762615, 137287845, 151525103, 454575309, 757625515, 1363725927, 2272876545, 4091177781, 6818629635, 20455888905]

約数ペア:

[(1, 20455888905), (3, 6818629635), (5, 4091177781), (9, 2272876545), (15, 1363725927), (27, 757625515), (45, 454575309), (135, 151525103), (149, 137287845), (447, 45762615), (745, 27457569), (1341, 15254205), (2235, 9152523), (4023, 5084735), (6705, 3050841), (20115, 1016947)]