20215512

素因数分解:

$2^3\times 3^2\times {\mathrm{280771}}^1$

素因数の和:280783

約数の個数: 24

約数和(自身を含む): 54750540

約数和(自身を除く): 34535028

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 280771, 561542, 842313, 1123084, 1684626, 2246168, 2526939, 3369252, 5053878, 6738504, 10107756, 20215512]

約数ペア:

[(1, 20215512), (2, 10107756), (3, 6738504), (4, 5053878), (6, 3369252), (8, 2526939), (9, 2246168), (12, 1684626), (18, 1123084), (24, 842313), (36, 561542), (72, 280771)]