2045774020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2378807}}^1$

素因数の和:2378859

約数の個数: 24

約数和(自身を含む): 4396037184

約数和(自身を除く): 2350263164

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2378807, 4757614, 9515228, 11894035, 23788070, 47576140, 102288701, 204577402, 409154804, 511443505, 1022887010, 2045774020]

約数ペア:

[(1, 2045774020), (2, 1022887010), (4, 511443505), (5, 409154804), (10, 204577402), (20, 102288701), (43, 47576140), (86, 23788070), (172, 11894035), (215, 9515228), (430, 4757614), (860, 2378807)]