812020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3691}}^1$

素因数の和:3711

約数の個数: 24

約数和(自身を含む): 1860768

約数和(自身を除く): 1048748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3691, 7382, 14764, 18455, 36910, 40601, 73820, 81202, 162404, 203005, 406010, 812020]

約数ペア:

[(1, 812020), (2, 406010), (4, 203005), (5, 162404), (10, 81202), (11, 73820), (20, 40601), (22, 36910), (44, 18455), (55, 14764), (110, 7382), (220, 3691)]