20427708

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{709}}^1$

素因数の和:744

約数の個数: 60

約数和(自身を含む): 55683880

約数和(自身を除く): 35256172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 709, 1029, 1372, 1418, 2058, 2127, 2401, 2836, 4116, 4254, 4802, 4963, 7203, 8508, 9604, 9926, 14406, 14889, 19852, 28812, 29778, 34741, 59556, 69482, 104223, 138964, 208446, 243187, 416892, 486374, 729561, 972748, 1459122, 1702309, 2918244, 3404618, 5106927, 6809236, 10213854, 20427708]

約数ペア:

[(1, 20427708), (2, 10213854), (3, 6809236), (4, 5106927), (6, 3404618), (7, 2918244), (12, 1702309), (14, 1459122), (21, 972748), (28, 729561), (42, 486374), (49, 416892), (84, 243187), (98, 208446), (147, 138964), (196, 104223), (294, 69482), (343, 59556), (588, 34741), (686, 29778), (709, 28812), (1029, 19852), (1372, 14889), (1418, 14406), (2058, 9926), (2127, 9604), (2401, 8508), (2836, 7203), (4116, 4963), (4254, 4802)]