20840037

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 28364160

約数和(自身を除く): 7524123

約数列:

[1, 3, 101, 109, 303, 327, 631, 1893, 11009, 33027, 63731, 68779, 191193, 206337, 6946679, 20840037]

約数ペア:

[(1, 20840037), (3, 6946679), (101, 206337), (109, 191193), (303, 68779), (327, 63731), (631, 33027), (1893, 11009)]