20346420020

素因数分解:

$2^2\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{493127}}^1$

素因数の和:495199

約数の個数: 24

約数和(自身を含む): 42748280064

約数和(自身を除く): 22401860044

約数列:

[1, 2, 4, 5, 10, 20, 2063, 4126, 8252, 10315, 20630, 41260, 493127, 986254, 1972508, 2465635, 4931270, 9862540, 1017321001, 2034642002, 4069284004, 5086605005, 10173210010, 20346420020]

約数ペア:

[(1, 20346420020), (2, 10173210010), (4, 5086605005), (5, 4069284004), (10, 2034642002), (20, 1017321001), (2063, 9862540), (4126, 4931270), (8252, 2465635), (10315, 1972508), (20630, 986254), (41260, 493127)]