20465146

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25391}}^1$

素因数の和:25437

約数の個数: 16

約数和(自身を含む): 34126848

約数和(自身を除く): 13661702

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25391, 50782, 330083, 660166, 787121, 1574242, 10232573, 20465146]

約数ペア:

[(1, 20465146), (2, 10232573), (13, 1574242), (26, 787121), (31, 660166), (62, 330083), (403, 50782), (806, 25391)]