20121635

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3019}}^1$

素因数の和:3098

約数の個数: 16

約数和(自身を含む): 25512960

約数和(自身を除く): 5391325

約数列:

[1, 5, 31, 43, 155, 215, 1333, 3019, 6665, 15095, 93589, 129817, 467945, 649085, 4024327, 20121635]

約数ペア:

[(1, 20121635), (5, 4024327), (31, 649085), (43, 467945), (155, 129817), (215, 93589), (1333, 15095), (3019, 6665)]