20369955

素因数分解:

$3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1531}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 32649984

約数和(自身を除く): 12280029

約数列:

[1, 3, 5, 15, 887, 1531, 2661, 4435, 4593, 7655, 13305, 22965, 1357997, 4073991, 6789985, 20369955]

約数ペア:

[(1, 20369955), (3, 6789985), (5, 4073991), (15, 1357997), (887, 22965), (1531, 13305), (2661, 7655), (4435, 4593)]