13420385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^2$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 18512064

約数和(自身を除く): 5091679

約数列:

[1, 5, 11, 23, 55, 103, 115, 253, 515, 1133, 1265, 2369, 5665, 10609, 11845, 26059, 53045, 116699, 130295, 244007, 583495, 1220035, 2684077, 13420385]

約数ペア:

[(1, 13420385), (5, 2684077), (11, 1220035), (23, 583495), (55, 244007), (103, 130295), (115, 116699), (253, 53045), (515, 26059), (1133, 11845), (1265, 10609), (2369, 5665)]