20182736980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1\times {\mathrm{2381}}^1$

素因数の和:2905

約数の個数: 96

約数和(自身を含む): 48866291712

約数和(自身を除く): 28683554732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 317, 382, 634, 764, 955, 1268, 1337, 1585, 1910, 2219, 2381, 2674, 3170, 3820, 4438, 4762, 5348, 6340, 6685, 8876, 9524, 11095, 11905, 13370, 16667, 22190, 23810, 26740, 33334, 44380, 47620, 60547, 66668, 83335, 121094, 166670, 242188, 302735, 333340, 423829, 454771, 605470, 754777, 847658, 909542, 1210940, 1509554, 1695316, 1819084, 2119145, 2273855, 3019108, 3183397, 3773885, 4238290, 4547710, 5283439, 6366794, 7547770, 8476580, 9095420, 10566878, 12733588, 15095540, 15916985, 21133756, 26417195, 31833970, 52834390, 63667940, 105668780, 144162407, 288324814, 576649628, 720812035, 1009136849, 1441624070, 2018273698, 2883248140, 4036547396, 5045684245, 10091368490, 20182736980]

約数ペア:

[(1, 20182736980), (2, 10091368490), (4, 5045684245), (5, 4036547396), (7, 2883248140), (10, 2018273698), (14, 1441624070), (20, 1009136849), (28, 720812035), (35, 576649628), (70, 288324814), (140, 144162407), (191, 105668780), (317, 63667940), (382, 52834390), (634, 31833970), (764, 26417195), (955, 21133756), (1268, 15916985), (1337, 15095540), (1585, 12733588), (1910, 10566878), (2219, 9095420), (2381, 8476580), (2674, 7547770), (3170, 6366794), (3820, 5283439), (4438, 4547710), (4762, 4238290), (5348, 3773885), (6340, 3183397), (6685, 3019108), (8876, 2273855), (9524, 2119145), (11095, 1819084), (11905, 1695316), (13370, 1509554), (16667, 1210940), (22190, 909542), (23810, 847658), (26740, 754777), (33334, 605470), (44380, 454771), (47620, 423829), (60547, 333340), (66668, 302735), (83335, 242188), (121094, 166670)]