20804976

素因数分解:

$2^4\times 3^2\times {\mathrm{144479}}^1$

素因数の和:144493

約数の個数: 30

約数和(自身を含む): 58225440

約数和(自身を除く): 37420464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144479, 288958, 433437, 577916, 866874, 1155832, 1300311, 1733748, 2311664, 2600622, 3467496, 5201244, 6934992, 10402488, 20804976]

約数ペア:

[(1, 20804976), (2, 10402488), (3, 6934992), (4, 5201244), (6, 3467496), (8, 2600622), (9, 2311664), (12, 1733748), (16, 1300311), (18, 1155832), (24, 866874), (36, 577916), (48, 433437), (72, 288958), (144, 144479)]