20518056

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7307}}^1$

素因数の和:7335

約数の個数: 64

約数和(自身を含む): 61387200

約数和(自身を除く): 40869144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7307, 14614, 21921, 29228, 43842, 58456, 65763, 87684, 94991, 131526, 175368, 189982, 197289, 263052, 284973, 379964, 394578, 526104, 569946, 759928, 789156, 854919, 1139892, 1578312, 1709838, 2279784, 2564757, 3419676, 5129514, 6839352, 10259028, 20518056]

約数ペア:

[(1, 20518056), (2, 10259028), (3, 6839352), (4, 5129514), (6, 3419676), (8, 2564757), (9, 2279784), (12, 1709838), (13, 1578312), (18, 1139892), (24, 854919), (26, 789156), (27, 759928), (36, 569946), (39, 526104), (52, 394578), (54, 379964), (72, 284973), (78, 263052), (104, 197289), (108, 189982), (117, 175368), (156, 131526), (216, 94991), (234, 87684), (312, 65763), (351, 58456), (468, 43842), (702, 29228), (936, 21921), (1404, 14614), (2808, 7307)]