20419824

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13723}}^1$

素因数の和:13765

約数の個数: 40

約数和(自身を含む): 54456832

約数和(自身を除く): 34037008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13723, 27446, 41169, 54892, 82338, 109784, 164676, 219568, 329352, 425413, 658704, 850826, 1276239, 1701652, 2552478, 3403304, 5104956, 6806608, 10209912, 20419824]

約数ペア:

[(1, 20419824), (2, 10209912), (3, 6806608), (4, 5104956), (6, 3403304), (8, 2552478), (12, 1701652), (16, 1276239), (24, 850826), (31, 658704), (48, 425413), (62, 329352), (93, 219568), (124, 164676), (186, 109784), (248, 82338), (372, 54892), (496, 41169), (744, 27446), (1488, 13723)]