20196530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87811}}^1$

素因数の和:87841

約数の個数: 16

約数和(自身を含む): 37934784

約数和(自身を除く): 17738254

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87811, 175622, 439055, 878110, 2019653, 4039306, 10098265, 20196530]

約数ペア:

[(1, 20196530), (2, 10098265), (5, 4039306), (10, 2019653), (23, 878110), (46, 439055), (115, 175622), (230, 87811)]