2918082020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20843443}}^1$

素因数の和:20843459

約数の個数: 24

約数和(自身を含む): 7003397184

約数和(自身を除く): 4085315164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20843443, 41686886, 83373772, 104217215, 145904101, 208434430, 291808202, 416868860, 583616404, 729520505, 1459041010, 2918082020]

約数ペア:

[(1, 2918082020), (2, 1459041010), (4, 729520505), (5, 583616404), (7, 416868860), (10, 291808202), (14, 208434430), (20, 145904101), (28, 104217215), (35, 83373772), (70, 41686886), (140, 20843443)]