66956020

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{2131}}^1$

素因数の和:3711

約数の個数: 24

約数和(自身を含む): 140763168

約数和(自身を除く): 73807148

約数列:

[1, 2, 4, 5, 10, 20, 1571, 2131, 3142, 4262, 6284, 7855, 8524, 10655, 15710, 21310, 31420, 42620, 3347801, 6695602, 13391204, 16739005, 33478010, 66956020]

約数ペア:

[(1, 66956020), (2, 33478010), (4, 16739005), (5, 13391204), (10, 6695602), (20, 3347801), (1571, 42620), (2131, 31420), (3142, 21310), (4262, 15710), (6284, 10655), (7855, 8524)]