20275866

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1699}}^1$

素因数の和:1740

約数の個数: 64

約数和(自身を含む): 51408000

約数和(自身を除く): 31132134

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1326, 1699, 1989, 3398, 3978, 5097, 5967, 10194, 11934, 15291, 22087, 28883, 30582, 44174, 45873, 57766, 66261, 86649, 91746, 132522, 173298, 198783, 259947, 375479, 397566, 519894, 596349, 750958, 779841, 1126437, 1192698, 1559682, 2252874, 3379311, 6758622, 10137933, 20275866]

約数ペア:

[(1, 20275866), (2, 10137933), (3, 6758622), (6, 3379311), (9, 2252874), (13, 1559682), (17, 1192698), (18, 1126437), (26, 779841), (27, 750958), (34, 596349), (39, 519894), (51, 397566), (54, 375479), (78, 259947), (102, 198783), (117, 173298), (153, 132522), (221, 91746), (234, 86649), (306, 66261), (351, 57766), (442, 45873), (459, 44174), (663, 30582), (702, 28883), (918, 22087), (1326, 15291), (1699, 11934), (1989, 10194), (3398, 5967), (3978, 5097)]