20790776692

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{827}}^1\times {\mathrm{2887}}^1$

素因数の和:4036

約数の個数: 48

約数和(自身を含む): 41780164608

約数和(自身を除く): 20989387916

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 827, 1244, 1654, 2177, 2887, 3308, 4354, 5774, 5789, 8708, 11548, 11578, 20209, 23156, 40418, 80836, 257197, 514394, 897857, 1028788, 1795714, 1800379, 2387549, 3591428, 3600758, 4775098, 6284999, 7201516, 9550196, 12569998, 16712843, 25139996, 33425686, 66851372, 742527739, 1485055478, 2970110956, 5197694173, 10395388346, 20790776692]

約数ペア:

[(1, 20790776692), (2, 10395388346), (4, 5197694173), (7, 2970110956), (14, 1485055478), (28, 742527739), (311, 66851372), (622, 33425686), (827, 25139996), (1244, 16712843), (1654, 12569998), (2177, 9550196), (2887, 7201516), (3308, 6284999), (4354, 4775098), (5774, 3600758), (5789, 3591428), (8708, 2387549), (11548, 1800379), (11578, 1795714), (20209, 1028788), (23156, 897857), (40418, 514394), (80836, 257197)]