20008390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{86993}}^1$

素因数の和:87023

約数の個数: 16

約数和(自身を含む): 37581408

約数和(自身を除く): 17573018

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 86993, 173986, 434965, 869930, 2000839, 4001678, 10004195, 20008390]

約数ペア:

[(1, 20008390), (2, 10004195), (5, 4001678), (10, 2000839), (23, 869930), (46, 434965), (115, 173986), (230, 86993)]