20507007

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{677}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 28638720

約数和(自身を除く): 8131713

約数列:

[1, 3, 23, 69, 439, 677, 1317, 2031, 10097, 15571, 30291, 46713, 297203, 891609, 6835669, 20507007]

約数ペア:

[(1, 20507007), (3, 6835669), (23, 891609), (69, 297203), (439, 46713), (677, 30291), (1317, 15571), (2031, 10097)]