20660562

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1592

約数の個数: 64

約数和(自身を含む): 52080000

約数和(自身を除く): 31419438

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 1549, 2223, 3098, 4446, 4647, 6669, 9294, 13338, 13941, 20137, 27882, 29431, 40274, 41823, 58862, 60411, 83646, 88293, 120822, 176586, 181233, 264879, 362466, 382603, 529758, 543699, 765206, 794637, 1087398, 1147809, 1589274, 2295618, 3443427, 6886854, 10330281, 20660562]

約数ペア:

[(1, 20660562), (2, 10330281), (3, 6886854), (6, 3443427), (9, 2295618), (13, 1589274), (18, 1147809), (19, 1087398), (26, 794637), (27, 765206), (38, 543699), (39, 529758), (54, 382603), (57, 362466), (78, 264879), (114, 181233), (117, 176586), (171, 120822), (234, 88293), (247, 83646), (342, 60411), (351, 58862), (494, 41823), (513, 40274), (702, 29431), (741, 27882), (1026, 20137), (1482, 13941), (1549, 13338), (2223, 9294), (3098, 6669), (4446, 4647)]