17640020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8243}}^1$

素因数の和:8359

約数の個数: 24

約数和(自身を含む): 37394784

約数和(自身を除く): 19754764

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8243, 16486, 32972, 41215, 82430, 164860, 882001, 1764002, 3528004, 4410005, 8820010, 17640020]

約数ペア:

[(1, 17640020), (2, 8820010), (4, 4410005), (5, 3528004), (10, 1764002), (20, 882001), (107, 164860), (214, 82430), (428, 41215), (535, 32972), (1070, 16486), (2140, 8243)]