20680530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4079}}^1$

素因数の和:4115

約数の個数: 48

約数和(自身を含む): 53758080

約数和(自身を除く): 33077550

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, 4079, 5070, 8158, 12237, 20395, 24474, 40790, 53027, 61185, 106054, 122370, 159081, 265135, 318162, 530270, 689351, 795405, 1378702, 1590810, 2068053, 3446755, 4136106, 6893510, 10340265, 20680530]

約数ペア:

[(1, 20680530), (2, 10340265), (3, 6893510), (5, 4136106), (6, 3446755), (10, 2068053), (13, 1590810), (15, 1378702), (26, 795405), (30, 689351), (39, 530270), (65, 318162), (78, 265135), (130, 159081), (169, 122370), (195, 106054), (338, 61185), (390, 53027), (507, 40790), (845, 24474), (1014, 20395), (1690, 12237), (2535, 8158), (4079, 5070)]