20978230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23053}}^1$

素因数の和:23080

約数の個数: 32

約数和(自身を含む): 46476864

約数和(自身を除く): 25498634

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23053, 46106, 115265, 161371, 230530, 299689, 322742, 599378, 806855, 1498445, 1613710, 2097823, 2996890, 4195646, 10489115, 20978230]

約数ペア:

[(1, 20978230), (2, 10489115), (5, 4195646), (7, 2996890), (10, 2097823), (13, 1613710), (14, 1498445), (26, 806855), (35, 599378), (65, 322742), (70, 299689), (91, 230530), (130, 161371), (182, 115265), (455, 46106), (910, 23053)]