20993850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{15551}}^1$

素因数の和:15572

約数の個数: 48

約数和(自身を含む): 57853440

約数和(自身を除く): 36859590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 15551, 31102, 46653, 77755, 93306, 139959, 155510, 233265, 279918, 388775, 419877, 466530, 699795, 777550, 839754, 1166325, 1399590, 2099385, 2332650, 3498975, 4198770, 6997950, 10496925, 20993850]

約数ペア:

[(1, 20993850), (2, 10496925), (3, 6997950), (5, 4198770), (6, 3498975), (9, 2332650), (10, 2099385), (15, 1399590), (18, 1166325), (25, 839754), (27, 777550), (30, 699795), (45, 466530), (50, 419877), (54, 388775), (75, 279918), (90, 233265), (135, 155510), (150, 139959), (225, 93306), (270, 77755), (450, 46653), (675, 31102), (1350, 15551)]