20128756479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{66161}}^1$

素因数の和:66475

約数の個数: 32

約数和(自身を含む): 30011083200

約数和(自身を除く): 9882326721

約数列:

[1, 3, 13, 29, 39, 87, 269, 377, 807, 1131, 3497, 7801, 10491, 23403, 66161, 101413, 198483, 304239, 860093, 1918669, 2580279, 5756007, 17797309, 24942697, 53391927, 74828091, 231365017, 516121961, 694095051, 1548365883, 6709585493, 20128756479]

約数ペア:

[(1, 20128756479), (3, 6709585493), (13, 1548365883), (29, 694095051), (39, 516121961), (87, 231365017), (269, 74828091), (377, 53391927), (807, 24942697), (1131, 17797309), (3497, 5756007), (7801, 2580279), (10491, 1918669), (23403, 860093), (66161, 304239), (101413, 198483)]