20913262

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5449}}^1$

素因数の和:5571

約数の個数: 16

約数和(自身を含む): 33354000

約数和(自身を除く): 12440738

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 5449, 10898, 103531, 207062, 550349, 1100698, 10456631, 20913262]

約数ペア:

[(1, 20913262), (2, 10456631), (19, 1100698), (38, 550349), (101, 207062), (202, 103531), (1919, 10898), (3838, 5449)]