20154564339

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1\times {\mathrm{2161}}^1$

素因数の和:2580

約数の個数: 64

約数和(自身を含む): 33473986560

約数和(自身を除く): 13319422221

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 269, 273, 381, 807, 889, 1651, 1883, 2161, 2667, 3497, 4953, 5649, 6483, 10491, 11557, 15127, 24479, 28093, 34163, 34671, 45381, 73437, 84279, 102489, 196651, 239141, 274447, 444119, 581309, 589953, 717423, 823341, 1332357, 1743927, 1921129, 3108833, 3567811, 4069163, 5763387, 7557017, 9326499, 10703433, 12207489, 22671051, 24974677, 52899119, 73826243, 74924031, 158697357, 221478729, 516783701, 959741159, 1550351103, 2879223477, 6718188113, 20154564339]

約数ペア:

[(1, 20154564339), (3, 6718188113), (7, 2879223477), (13, 1550351103), (21, 959741159), (39, 516783701), (91, 221478729), (127, 158697357), (269, 74924031), (273, 73826243), (381, 52899119), (807, 24974677), (889, 22671051), (1651, 12207489), (1883, 10703433), (2161, 9326499), (2667, 7557017), (3497, 5763387), (4953, 4069163), (5649, 3567811), (6483, 3108833), (10491, 1921129), (11557, 1743927), (15127, 1332357), (24479, 823341), (28093, 717423), (34163, 589953), (34671, 581309), (45381, 444119), (73437, 274447), (84279, 239141), (102489, 196651)]