20733076

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 46475520

約数和(自身を除く): 25742444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 79, 91, 98, 103, 158, 182, 196, 206, 316, 364, 412, 553, 637, 721, 1027, 1106, 1274, 1339, 1442, 2054, 2212, 2548, 2678, 2884, 3871, 4108, 5047, 5356, 7189, 7742, 8137, 9373, 10094, 14378, 15484, 16274, 18746, 20188, 28756, 32548, 37492, 50323, 56959, 65611, 100646, 105781, 113918, 131222, 201292, 211562, 227836, 262444, 398713, 423124, 740467, 797426, 1480934, 1594852, 2961868, 5183269, 10366538, 20733076]

約数ペア:

[(1, 20733076), (2, 10366538), (4, 5183269), (7, 2961868), (13, 1594852), (14, 1480934), (26, 797426), (28, 740467), (49, 423124), (52, 398713), (79, 262444), (91, 227836), (98, 211562), (103, 201292), (158, 131222), (182, 113918), (196, 105781), (206, 100646), (316, 65611), (364, 56959), (412, 50323), (553, 37492), (637, 32548), (721, 28756), (1027, 20188), (1106, 18746), (1274, 16274), (1339, 15484), (1442, 14378), (2054, 10094), (2212, 9373), (2548, 8137), (2678, 7742), (2884, 7189), (3871, 5356), (4108, 5047)]