2078562020

素因数分解:

$2^2\times 5^1\times {\mathrm{103928101}}^1$

素因数の和:103928110

約数の個数: 12

約数和(自身を含む): 4364980284

約数和(自身を除く): 2286418264

約数列:

[1, 2, 4, 5, 10, 20, 103928101, 207856202, 415712404, 519640505, 1039281010, 2078562020]

約数ペア:

[(1, 2078562020), (2, 1039281010), (4, 519640505), (5, 415712404), (10, 207856202), (20, 103928101)]