20218043725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{292909}}^1$

素因数の和:293181

約数の個数: 24

約数和(自身を含む): 27458555040

約数和(自身を除く): 7240511315

約数列:

[1, 5, 11, 25, 55, 251, 275, 1255, 2761, 6275, 13805, 69025, 292909, 1464545, 3221999, 7322725, 16109995, 73520159, 80549975, 367600795, 808721749, 1838003975, 4043608745, 20218043725]

約数ペア:

[(1, 20218043725), (5, 4043608745), (11, 1838003975), (25, 808721749), (55, 367600795), (251, 80549975), (275, 73520159), (1255, 16109995), (2761, 7322725), (6275, 3221999), (13805, 1464545), (69025, 292909)]