20178393990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{672613133}}^1$

素因数の和:672613143

約数の個数: 16

約数和(自身を含む): 48428145648

約数和(自身を除く): 28249751658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 672613133, 1345226266, 2017839399, 3363065665, 4035678798, 6726131330, 10089196995, 20178393990]

約数ペア:

[(1, 20178393990), (2, 10089196995), (3, 6726131330), (5, 4035678798), (6, 3363065665), (10, 2017839399), (15, 1345226266), (30, 672613133)]