20943398

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9907}}^1$

素因数の和:10067

約数の個数: 16

約数和(自身を含む): 36144384

約数和(自身を除く): 15200986

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9907, 19814, 69349, 138698, 1495957, 2991914, 10471699, 20943398]

約数ペア:

[(1, 20943398), (2, 10471699), (7, 2991914), (14, 1495957), (151, 138698), (302, 69349), (1057, 19814), (2114, 9907)]