17312020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78691}}^1$

素因数の和:78711

約数の個数: 24

約数和(自身を含む): 39660768

約数和(自身を除く): 22348748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 78691, 157382, 314764, 393455, 786910, 865601, 1573820, 1731202, 3462404, 4328005, 8656010, 17312020]

約数ペア:

[(1, 17312020), (2, 8656010), (4, 4328005), (5, 3462404), (10, 1731202), (11, 1573820), (20, 865601), (22, 786910), (44, 393455), (55, 314764), (110, 157382), (220, 78691)]