20420392

素因数分解:

$2^3\times {\mathrm{271}}^1\times {\mathrm{9419}}^1$

素因数の和:9696

約数の個数: 16

約数和(自身を含む): 38433600

約数和(自身を除く): 18013208

約数列:

[1, 2, 4, 8, 271, 542, 1084, 2168, 9419, 18838, 37676, 75352, 2552549, 5105098, 10210196, 20420392]

約数ペア:

[(1, 20420392), (2, 10210196), (4, 5105098), (8, 2552549), (271, 75352), (542, 37676), (1084, 18838), (2168, 9419)]