20266389

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 36691200

約数和(自身を除く): 16424811

約数列:

[1, 3, 9, 11, 13, 27, 29, 33, 39, 87, 99, 117, 143, 181, 261, 297, 319, 351, 377, 429, 543, 783, 957, 1131, 1287, 1629, 1991, 2353, 2871, 3393, 3861, 4147, 4887, 5249, 5973, 7059, 8613, 10179, 12441, 15747, 17919, 21177, 25883, 37323, 47241, 53757, 57739, 63531, 68237, 77649, 111969, 141723, 173217, 204711, 232947, 519651, 614133, 698841, 750607, 1558953, 1842399, 2251821, 6755463, 20266389]

約数ペア:

[(1, 20266389), (3, 6755463), (9, 2251821), (11, 1842399), (13, 1558953), (27, 750607), (29, 698841), (33, 614133), (39, 519651), (87, 232947), (99, 204711), (117, 173217), (143, 141723), (181, 111969), (261, 77649), (297, 68237), (319, 63531), (351, 57739), (377, 53757), (429, 47241), (543, 37323), (783, 25883), (957, 21177), (1131, 17919), (1287, 15747), (1629, 12441), (1991, 10179), (2353, 8613), (2871, 7059), (3393, 5973), (3861, 5249), (4147, 4887)]