20151139981

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{1013}}^1\times {\mathrm{20743}}^1$

素因数の和:21900

約数の個数: 16

約数和(自身を含む): 23221995264

約数和(自身を除く): 3070855283

約数列:

[1, 7, 137, 959, 1013, 7091, 20743, 138781, 145201, 971467, 2841791, 19892537, 21012659, 147088613, 2878734283, 20151139981]

約数ペア:

[(1, 20151139981), (7, 2878734283), (137, 147088613), (959, 21012659), (1013, 19892537), (7091, 2841791), (20743, 971467), (138781, 145201)]