20713490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{593}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 22054510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 499, 593, 998, 1186, 2495, 2965, 3493, 4151, 4990, 5930, 6986, 8302, 17465, 20755, 34930, 41510, 295907, 591814, 1479535, 2071349, 2959070, 4142698, 10356745, 20713490]

約数ペア:

[(1, 20713490), (2, 10356745), (5, 4142698), (7, 2959070), (10, 2071349), (14, 1479535), (35, 591814), (70, 295907), (499, 41510), (593, 34930), (998, 20755), (1186, 17465), (2495, 8302), (2965, 6986), (3493, 5930), (4151, 4990)]