20968392

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 55468800

約数和(自身を除く): 34500408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 47, 58, 87, 94, 116, 141, 174, 188, 232, 282, 348, 376, 564, 641, 696, 1128, 1282, 1363, 1923, 2564, 2726, 3846, 4089, 5128, 5452, 7692, 8178, 10904, 15384, 16356, 18589, 30127, 32712, 37178, 55767, 60254, 74356, 90381, 111534, 120508, 148712, 180762, 223068, 241016, 361524, 446136, 723048, 873683, 1747366, 2621049, 3494732, 5242098, 6989464, 10484196, 20968392]

約数ペア:

[(1, 20968392), (2, 10484196), (3, 6989464), (4, 5242098), (6, 3494732), (8, 2621049), (12, 1747366), (24, 873683), (29, 723048), (47, 446136), (58, 361524), (87, 241016), (94, 223068), (116, 180762), (141, 148712), (174, 120508), (188, 111534), (232, 90381), (282, 74356), (348, 60254), (376, 55767), (564, 37178), (641, 32712), (696, 30127), (1128, 18589), (1282, 16356), (1363, 15384), (1923, 10904), (2564, 8178), (2726, 7692), (3846, 5452), (4089, 5128)]