20827534

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{317}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 40709088

約数和(自身を除く): 19881554

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 317, 361, 494, 634, 722, 1729, 2219, 2527, 3458, 4121, 4438, 4693, 5054, 6023, 8242, 9386, 12046, 28847, 32851, 42161, 57694, 65702, 78299, 84322, 114437, 156598, 228874, 548093, 801059, 1096186, 1487681, 1602118, 2975362, 10413767, 20827534]

約数ペア:

[(1, 20827534), (2, 10413767), (7, 2975362), (13, 1602118), (14, 1487681), (19, 1096186), (26, 801059), (38, 548093), (91, 228874), (133, 156598), (182, 114437), (247, 84322), (266, 78299), (317, 65702), (361, 57694), (494, 42161), (634, 32851), (722, 28847), (1729, 12046), (2219, 9386), (2527, 8242), (3458, 6023), (4121, 5054), (4438, 4693)]