20842107

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2603

約数の個数: 32

約数和(自身を含む): 34379520

約数和(自身を除く): 13537413

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2557, 2717, 7671, 8151, 28127, 33241, 48583, 84381, 99723, 145749, 365651, 534413, 631579, 1096953, 1603239, 1894737, 6947369, 20842107]

約数ペア:

[(1, 20842107), (3, 6947369), (11, 1894737), (13, 1603239), (19, 1096953), (33, 631579), (39, 534413), (57, 365651), (143, 145749), (209, 99723), (247, 84381), (429, 48583), (627, 33241), (741, 28127), (2557, 8151), (2717, 7671)]