20675295

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14821}}^1$

素因数の和:14863

約数の個数: 24

約数和(自身を含む): 36995712

約数和(自身を除く): 16320417

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14821, 44463, 74105, 133389, 222315, 459451, 666945, 1378353, 2297255, 4135059, 6891765, 20675295]

約数ペア:

[(1, 20675295), (3, 6891765), (5, 4135059), (9, 2297255), (15, 1378353), (31, 666945), (45, 459451), (93, 222315), (155, 133389), (279, 74105), (465, 44463), (1395, 14821)]