20993016

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7229}}^1$

素因数の和:7260

約数の個数: 48

約数和(自身を含む): 57695400

約数和(自身を除く): 36702384

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7229, 14458, 21687, 28916, 43374, 57832, 79519, 86748, 159038, 173496, 238557, 318076, 477114, 636152, 874709, 954228, 1749418, 1908456, 2624127, 3498836, 5248254, 6997672, 10496508, 20993016]

約数ペア:

[(1, 20993016), (2, 10496508), (3, 6997672), (4, 5248254), (6, 3498836), (8, 2624127), (11, 1908456), (12, 1749418), (22, 954228), (24, 874709), (33, 636152), (44, 477114), (66, 318076), (88, 238557), (121, 173496), (132, 159038), (242, 86748), (264, 79519), (363, 57832), (484, 43374), (726, 28916), (968, 21687), (1452, 14458), (2904, 7229)]