20565764

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1409}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 37308600

約数和(自身を除く): 16742836

約数列:

[1, 2, 4, 41, 82, 89, 164, 178, 356, 1409, 2818, 3649, 5636, 7298, 14596, 57769, 115538, 125401, 231076, 250802, 501604, 5141441, 10282882, 20565764]

約数ペア:

[(1, 20565764), (2, 10282882), (4, 5141441), (41, 501604), (82, 250802), (89, 231076), (164, 125401), (178, 115538), (356, 57769), (1409, 14596), (2818, 7298), (3649, 5636)]