23117705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20921}}^1$

素因数の和:20956

約数の個数: 16

約数和(自身を含む): 31634064

約数和(自身を除く): 8516359

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 20921, 104605, 271973, 355657, 1359865, 1778285, 4623541, 23117705]

約数ペア:

[(1, 23117705), (5, 4623541), (13, 1778285), (17, 1359865), (65, 355657), (85, 271973), (221, 104605), (1105, 20921)]