20749232

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{809}}^1$

素因数の和:1053

約数の個数: 40

約数和(自身を含む): 46202400

約数和(自身を除く): 25453168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 458, 809, 916, 1603, 1618, 1832, 3206, 3236, 3664, 5663, 6412, 6472, 11326, 12824, 12944, 22652, 25648, 45304, 90608, 185261, 370522, 741044, 1296827, 1482088, 2593654, 2964176, 5187308, 10374616, 20749232]

約数ペア:

[(1, 20749232), (2, 10374616), (4, 5187308), (7, 2964176), (8, 2593654), (14, 1482088), (16, 1296827), (28, 741044), (56, 370522), (112, 185261), (229, 90608), (458, 45304), (809, 25648), (916, 22652), (1603, 12944), (1618, 12824), (1832, 11326), (3206, 6472), (3236, 6412), (3664, 5663)]