20996105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19001}}^1$

素因数の和:19036

約数の個数: 16

約数和(自身を含む): 28731024

約数和(自身を除く): 7734919

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 19001, 95005, 247013, 323017, 1235065, 1615085, 4199221, 20996105]

約数ペア:

[(1, 20996105), (5, 4199221), (13, 1615085), (17, 1235065), (65, 323017), (85, 247013), (221, 95005), (1105, 19001)]