20422919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 23535360

約数和(自身を除く): 3112441

約数列:

[1, 11, 23, 89, 253, 907, 979, 2047, 9977, 20861, 22517, 80723, 229471, 887953, 1856629, 20422919]

約数ペア:

[(1, 20422919), (11, 1856629), (23, 887953), (89, 229471), (253, 80723), (907, 22517), (979, 20861), (2047, 9977)]