20565118868

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1667}}^1\times {\mathrm{2957}}^1$

素因数の和:4784

約数の個数: 48

約数和(自身を含む): 41445129600

約数和(自身を除く): 20880010732

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 1667, 2086, 2957, 3334, 4172, 5914, 6668, 11669, 11828, 20699, 23338, 41398, 46676, 82796, 248383, 440593, 496766, 881186, 993532, 1738681, 1762372, 3084151, 3477362, 4929319, 6168302, 6954724, 9858638, 12336604, 19717276, 34505233, 69010466, 138020932, 734468531, 1468937062, 2937874124, 5141279717, 10282559434, 20565118868]

約数ペア:

[(1, 20565118868), (2, 10282559434), (4, 5141279717), (7, 2937874124), (14, 1468937062), (28, 734468531), (149, 138020932), (298, 69010466), (596, 34505233), (1043, 19717276), (1667, 12336604), (2086, 9858638), (2957, 6954724), (3334, 6168302), (4172, 4929319), (5914, 3477362), (6668, 3084151), (11669, 1762372), (11828, 1738681), (20699, 993532), (23338, 881186), (41398, 496766), (46676, 440593), (82796, 248383)]