20329122989

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{823}}^1\times {\mathrm{17383}}^1$

素因数の和:18249

約数の個数: 24

約数和(自身を含む): 24494751360

約数和(自身を除く): 4165628371

約数列:

[1, 7, 29, 49, 203, 823, 1421, 5761, 17383, 23867, 40327, 121681, 167069, 504107, 851767, 1169483, 3528749, 14306209, 24701243, 100143463, 414880061, 701004241, 2904160427, 20329122989]

約数ペア:

[(1, 20329122989), (7, 2904160427), (29, 701004241), (49, 414880061), (203, 100143463), (823, 24701243), (1421, 14306209), (5761, 3528749), (17383, 1169483), (23867, 851767), (40327, 504107), (121681, 167069)]