20728045394

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2309}}^1\times {\mathrm{22111}}^1$

素因数の和:24458

約数の個数: 32

約数和(自身を含む): 36776678400

約数和(自身を除く): 16048633006

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 2309, 4618, 16163, 22111, 32326, 44222, 66961, 133922, 154777, 309554, 468727, 641219, 937454, 1282438, 4488533, 8977066, 51054299, 102108598, 357380093, 714760186, 1480574671, 2961149342, 10364022697, 20728045394]

約数ペア:

[(1, 20728045394), (2, 10364022697), (7, 2961149342), (14, 1480574671), (29, 714760186), (58, 357380093), (203, 102108598), (406, 51054299), (2309, 8977066), (4618, 4488533), (16163, 1282438), (22111, 937454), (32326, 641219), (44222, 468727), (66961, 309554), (133922, 154777)]