20717004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3203}}^1$

素因数の和:3235

約数の個数: 72

約数和(自身を含む): 61363008

約数和(自身を除く): 40646004

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3203, 3234, 6406, 6468, 9609, 12812, 19218, 22421, 35233, 38436, 44842, 67263, 70466, 89684, 105699, 134526, 140932, 156947, 211398, 246631, 269052, 313894, 422796, 470841, 493262, 627788, 739893, 941682, 986524, 1479786, 1726417, 1883364, 2959572, 3452834, 5179251, 6905668, 10358502, 20717004]

約数ペア:

[(1, 20717004), (2, 10358502), (3, 6905668), (4, 5179251), (6, 3452834), (7, 2959572), (11, 1883364), (12, 1726417), (14, 1479786), (21, 986524), (22, 941682), (28, 739893), (33, 627788), (42, 493262), (44, 470841), (49, 422796), (66, 313894), (77, 269052), (84, 246631), (98, 211398), (132, 156947), (147, 140932), (154, 134526), (196, 105699), (231, 89684), (294, 70466), (308, 67263), (462, 44842), (539, 38436), (588, 35233), (924, 22421), (1078, 19218), (1617, 12812), (2156, 9609), (3203, 6468), (3234, 6406)]