205992020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{792277}}^1$

素因数の和:792299

約数の個数: 24

約数和(自身を含む): 465859464

約数和(自身を除く): 259867444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 792277, 1584554, 3169108, 3961385, 7922770, 10299601, 15845540, 20599202, 41198404, 51498005, 102996010, 205992020]

約数ペア:

[(1, 205992020), (2, 102996010), (4, 51498005), (5, 41198404), (10, 20599202), (13, 15845540), (20, 10299601), (26, 7922770), (52, 3961385), (65, 3169108), (130, 1584554), (260, 792277)]