20187806

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:748

約数の個数: 24

約数和(自身を含む): 32824440

約数和(自身を除く): 12636634

約数列:

[1, 2, 17, 34, 53, 106, 289, 578, 659, 901, 1318, 1802, 11203, 15317, 22406, 30634, 34927, 69854, 190451, 380902, 593759, 1187518, 10093903, 20187806]

約数ペア:

[(1, 20187806), (2, 10093903), (17, 1187518), (34, 593759), (53, 380902), (106, 190451), (289, 69854), (578, 34927), (659, 30634), (901, 22406), (1318, 15317), (1802, 11203)]