20392030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88661}}^1$

素因数の和:88691

約数の個数: 16

約数和(自身を含む): 38301984

約数和(自身を除く): 17909954

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 88661, 177322, 443305, 886610, 2039203, 4078406, 10196015, 20392030]

約数ペア:

[(1, 20392030), (2, 10196015), (5, 4078406), (10, 2039203), (23, 886610), (46, 443305), (115, 177322), (230, 88661)]