20294540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144961}}^1$

素因数の和:144977

約数の個数: 24

約数和(自身を含む): 48707232

約数和(自身を除く): 28412692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144961, 289922, 579844, 724805, 1014727, 1449610, 2029454, 2899220, 4058908, 5073635, 10147270, 20294540]

約数ペア:

[(1, 20294540), (2, 10147270), (4, 5073635), (5, 4058908), (7, 2899220), (10, 2029454), (14, 1449610), (20, 1014727), (28, 724805), (35, 579844), (70, 289922), (140, 144961)]