20761015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19867}}^1$

素因数の和:19902

約数の個数: 16

約数和(自身を含む): 28609920

約数和(自身を除く): 7848905

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19867, 99335, 218537, 377473, 1092685, 1887365, 4152203, 20761015]

約数ペア:

[(1, 20761015), (5, 4152203), (11, 1887365), (19, 1092685), (55, 377473), (95, 218537), (209, 99335), (1045, 19867)]