20416890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4027}}^1$

素因数の和:4063

約数の個数: 48

約数和(自身を含む): 53072928

約数和(自身を除く): 32656038

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 4027, 5070, 8054, 12081, 20135, 24162, 40270, 52351, 60405, 104702, 120810, 157053, 261755, 314106, 523510, 680563, 785265, 1361126, 1570530, 2041689, 3402815, 4083378, 6805630, 10208445, 20416890]

約数ペア:

[(1, 20416890), (2, 10208445), (3, 6805630), (5, 4083378), (6, 3402815), (10, 2041689), (13, 1570530), (15, 1361126), (26, 785265), (30, 680563), (39, 523510), (65, 314106), (78, 261755), (130, 157053), (169, 120810), (195, 104702), (338, 60405), (390, 52351), (507, 40270), (845, 24162), (1014, 20135), (1690, 12081), (2535, 8054), (4027, 5070)]