20829848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3779}}^1$

素因数の和:3851

約数の個数: 32

約数和(自身を含む): 42865200

約数和(自身を除く): 22035352

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3779, 5512, 7558, 15116, 30232, 49127, 98254, 196508, 200287, 393016, 400574, 801148, 1602296, 2603731, 5207462, 10414924, 20829848]

約数ペア:

[(1, 20829848), (2, 10414924), (4, 5207462), (8, 2603731), (13, 1602296), (26, 801148), (52, 400574), (53, 393016), (104, 200287), (106, 196508), (212, 98254), (424, 49127), (689, 30232), (1378, 15116), (2756, 7558), (3779, 5512)]