20005790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2671}}^1$

素因数の和:2792

約数の個数: 32

約数和(自身を含む): 41554944

約数和(自身を除く): 21549154

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2671, 3745, 5342, 7490, 13355, 18697, 26710, 37394, 93485, 186970, 285797, 571594, 1428985, 2000579, 2857970, 4001158, 10002895, 20005790]

約数ペア:

[(1, 20005790), (2, 10002895), (5, 4001158), (7, 2857970), (10, 2000579), (14, 1428985), (35, 571594), (70, 285797), (107, 186970), (214, 93485), (535, 37394), (749, 26710), (1070, 18697), (1498, 13355), (2671, 7490), (3745, 5342)]