15820987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7559}}^1$

素因数の和:7602

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 4500293

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 7559, 52913, 98267, 173857, 687869, 1216999, 2260141, 15820987]

約数ペア:

[(1, 15820987), (7, 2260141), (13, 1216999), (23, 687869), (91, 173857), (161, 98267), (299, 52913), (2093, 7559)]