20155218

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78121}}^1$

素因数の和:78169

約数の個数: 16

約数和(自身を含む): 41248416

約数和(自身を除く): 21093198

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 78121, 156242, 234363, 468726, 3359203, 6718406, 10077609, 20155218]

約数ペア:

[(1, 20155218), (2, 10077609), (3, 6718406), (6, 3359203), (43, 468726), (86, 234363), (129, 156242), (258, 78121)]