20980806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{45413}}^1$

素因数の和:45436

約数の個数: 32

約数和(自身を含む): 52316928

約数和(自身を除く): 31336122

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 45413, 90826, 136239, 272478, 317891, 499543, 635782, 953673, 999086, 1498629, 1907346, 2997258, 3496801, 6993602, 10490403, 20980806]

約数ペア:

[(1, 20980806), (2, 10490403), (3, 6993602), (6, 3496801), (7, 2997258), (11, 1907346), (14, 1498629), (21, 999086), (22, 953673), (33, 635782), (42, 499543), (66, 317891), (77, 272478), (154, 136239), (231, 90826), (462, 45413)]