20192445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4931}}^1$

素因数の和:4962

約数の個数: 48

約数和(自身を含む): 43085952

約数和(自身を除く): 22893507

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4931, 14793, 24655, 34517, 44379, 64103, 73965, 103551, 172585, 192309, 221895, 310653, 320515, 448721, 517755, 576927, 961545, 1346163, 1553265, 2243605, 2884635, 4038489, 6730815, 20192445]

約数ペア:

[(1, 20192445), (3, 6730815), (5, 4038489), (7, 2884635), (9, 2243605), (13, 1553265), (15, 1346163), (21, 961545), (35, 576927), (39, 517755), (45, 448721), (63, 320515), (65, 310653), (91, 221895), (105, 192309), (117, 172585), (195, 103551), (273, 73965), (315, 64103), (455, 44379), (585, 34517), (819, 24655), (1365, 14793), (4095, 4931)]