20908745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29243}}^1$

素因数の和:29272

約数の個数: 16

約数和(自身を含む): 29477952

約数和(自身を除く): 8569207

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29243, 146215, 321673, 380159, 1608365, 1900795, 4181749, 20908745]

約数ペア:

[(1, 20908745), (5, 4181749), (11, 1900795), (13, 1608365), (55, 380159), (65, 321673), (143, 146215), (715, 29243)]