20676865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6163}}^1$

素因数の和:6240

約数の個数: 16

約数和(自身を含む): 27516096

約数和(自身を除く): 6839231

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 6163, 30815, 67793, 338965, 375943, 1879715, 4135373, 20676865]

約数ペア:

[(1, 20676865), (5, 4135373), (11, 1879715), (55, 375943), (61, 338965), (305, 67793), (671, 30815), (3355, 6163)]