20422018

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{919}}^1$

素因数の和:1233

約数の個数: 16

約数和(自身を含む): 31530240

約数和(自身を除く): 11108222

約数列:

[1, 2, 41, 82, 271, 542, 919, 1838, 11111, 22222, 37679, 75358, 249049, 498098, 10211009, 20422018]

約数ペア:

[(1, 20422018), (2, 10211009), (41, 498098), (82, 249049), (271, 75358), (542, 37679), (919, 22222), (1838, 11111)]