20318165

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14159}}^1$

素因数の和:14212

約数の個数: 16

約数和(自身を含む): 28546560

約数和(自身を除く): 8228395

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 14159, 70795, 99113, 495565, 580519, 2902595, 4063633, 20318165]

約数ペア:

[(1, 20318165), (5, 4063633), (7, 2902595), (35, 580519), (41, 495565), (205, 99113), (287, 70795), (1435, 14159)]