20706595

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2677}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 32393088

約数和(自身を除く): 11686493

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 2677, 7735, 13385, 18739, 34801, 45509, 93695, 174005, 227545, 243607, 318563, 591617, 1218035, 1592815, 2958085, 4141319, 20706595]

約数ペア:

[(1, 20706595), (5, 4141319), (7, 2958085), (13, 1592815), (17, 1218035), (35, 591617), (65, 318563), (85, 243607), (91, 227545), (119, 174005), (221, 93695), (455, 45509), (595, 34801), (1105, 18739), (1547, 13385), (2677, 7735)]