20173817860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144098699}}^1$

素因数の和:144098715

約数の個数: 24

約数和(自身を含む): 48417163200

約数和(自身を除く): 28243345340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144098699, 288197398, 576394796, 720493495, 1008690893, 1440986990, 2017381786, 2881973980, 4034763572, 5043454465, 10086908930, 20173817860]

約数ペア:

[(1, 20173817860), (2, 10086908930), (4, 5043454465), (5, 4034763572), (7, 2881973980), (10, 2017381786), (14, 1440986990), (20, 1008690893), (28, 720493495), (35, 576394796), (70, 288197398), (140, 144098699)]