20435380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145967}}^1$

素因数の和:145983

約数の個数: 24

約数和(自身を含む): 49045248

約数和(自身を除く): 28609868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145967, 291934, 583868, 729835, 1021769, 1459670, 2043538, 2919340, 4087076, 5108845, 10217690, 20435380]

約数ペア:

[(1, 20435380), (2, 10217690), (4, 5108845), (5, 4087076), (7, 2919340), (10, 2043538), (14, 1459670), (20, 1021769), (28, 729835), (35, 583868), (70, 291934), (140, 145967)]