20964372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 96

約数和(自身を含む): 60587520

約数和(自身を除く): 39623148

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 19, 22, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 114, 132, 143, 156, 209, 228, 247, 286, 418, 429, 494, 572, 627, 643, 741, 836, 858, 988, 1254, 1286, 1482, 1716, 1929, 2508, 2572, 2717, 2964, 3858, 5434, 7073, 7716, 8151, 8359, 10868, 12217, 14146, 16302, 16718, 21219, 24434, 25077, 28292, 32604, 33436, 36651, 42438, 48868, 50154, 73302, 84876, 91949, 100308, 134387, 146604, 158821, 183898, 268774, 275847, 317642, 367796, 403161, 476463, 537548, 551694, 635284, 806322, 952926, 1103388, 1612644, 1747031, 1905852, 3494062, 5241093, 6988124, 10482186, 20964372]

約数ペア:

[(1, 20964372), (2, 10482186), (3, 6988124), (4, 5241093), (6, 3494062), (11, 1905852), (12, 1747031), (13, 1612644), (19, 1103388), (22, 952926), (26, 806322), (33, 635284), (38, 551694), (39, 537548), (44, 476463), (52, 403161), (57, 367796), (66, 317642), (76, 275847), (78, 268774), (114, 183898), (132, 158821), (143, 146604), (156, 134387), (209, 100308), (228, 91949), (247, 84876), (286, 73302), (418, 50154), (429, 48868), (494, 42438), (572, 36651), (627, 33436), (643, 32604), (741, 28292), (836, 25077), (858, 24434), (988, 21219), (1254, 16718), (1286, 16302), (1482, 14146), (1716, 12217), (1929, 10868), (2508, 8359), (2572, 8151), (2717, 7716), (2964, 7073), (3858, 5434)]