20338045

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44699}}^1$

素因数の和:44724

約数の個数: 16

約数和(自身を含む): 30038400

約数和(自身を除く): 9700355

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44699, 223495, 312893, 581087, 1564465, 2905435, 4067609, 20338045]

約数ペア:

[(1, 20338045), (5, 4067609), (7, 2905435), (13, 1564465), (35, 581087), (65, 312893), (91, 223495), (455, 44699)]