20441288

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 26128312

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 41, 56, 58, 82, 116, 164, 203, 232, 287, 307, 328, 406, 574, 614, 812, 1148, 1189, 1228, 1624, 2149, 2296, 2378, 2456, 4298, 4756, 8323, 8596, 8903, 9512, 12587, 16646, 17192, 17806, 25174, 33292, 35612, 50348, 62321, 66584, 71224, 88109, 100696, 124642, 176218, 249284, 352436, 365023, 498568, 704872, 730046, 1460092, 2555161, 2920184, 5110322, 10220644, 20441288]

約数ペア:

[(1, 20441288), (2, 10220644), (4, 5110322), (7, 2920184), (8, 2555161), (14, 1460092), (28, 730046), (29, 704872), (41, 498568), (56, 365023), (58, 352436), (82, 249284), (116, 176218), (164, 124642), (203, 100696), (232, 88109), (287, 71224), (307, 66584), (328, 62321), (406, 50348), (574, 35612), (614, 33292), (812, 25174), (1148, 17806), (1189, 17192), (1228, 16646), (1624, 12587), (2149, 9512), (2296, 8903), (2378, 8596), (2456, 8323), (4298, 4756)]