20561010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{685367}}^1$

素因数の和:685377

約数の個数: 16

約数和(自身を含む): 49346496

約数和(自身を除く): 28785486

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 685367, 1370734, 2056101, 3426835, 4112202, 6853670, 10280505, 20561010]

約数ペア:

[(1, 20561010), (2, 10280505), (3, 6853670), (5, 4112202), (6, 3426835), (10, 2056101), (15, 1370734), (30, 685367)]