20411534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 18779506

約数列:

[1, 2, 11, 13, 22, 23, 26, 29, 46, 58, 107, 143, 214, 253, 286, 299, 319, 377, 506, 598, 638, 667, 754, 1177, 1334, 1391, 2354, 2461, 2782, 3103, 3289, 4147, 4922, 6206, 6578, 7337, 8294, 8671, 14674, 15301, 17342, 27071, 30602, 31993, 34133, 40339, 54142, 63986, 68266, 71369, 80678, 95381, 142738, 190762, 351923, 443729, 703846, 785059, 887458, 927797, 1570118, 1855594, 10205767, 20411534]

約数ペア:

[(1, 20411534), (2, 10205767), (11, 1855594), (13, 1570118), (22, 927797), (23, 887458), (26, 785059), (29, 703846), (46, 443729), (58, 351923), (107, 190762), (143, 142738), (214, 95381), (253, 80678), (286, 71369), (299, 68266), (319, 63986), (377, 54142), (506, 40339), (598, 34133), (638, 31993), (667, 30602), (754, 27071), (1177, 17342), (1334, 15301), (1391, 14674), (2354, 8671), (2461, 8294), (2782, 7337), (3103, 6578), (3289, 6206), (4147, 4922)]