20475224

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 49040640

約数和(自身を除く): 28565416

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 154, 172, 301, 308, 344, 473, 602, 616, 773, 946, 1204, 1546, 1892, 2408, 3092, 3311, 3784, 5411, 6184, 6622, 8503, 10822, 13244, 17006, 21644, 26488, 33239, 34012, 43288, 59521, 66478, 68024, 119042, 132956, 232673, 238084, 265912, 365629, 465346, 476168, 731258, 930692, 1462516, 1861384, 2559403, 2925032, 5118806, 10237612, 20475224]

約数ペア:

[(1, 20475224), (2, 10237612), (4, 5118806), (7, 2925032), (8, 2559403), (11, 1861384), (14, 1462516), (22, 930692), (28, 731258), (43, 476168), (44, 465346), (56, 365629), (77, 265912), (86, 238084), (88, 232673), (154, 132956), (172, 119042), (301, 68024), (308, 66478), (344, 59521), (473, 43288), (602, 34012), (616, 33239), (773, 26488), (946, 21644), (1204, 17006), (1546, 13244), (1892, 10822), (2408, 8503), (3092, 6622), (3311, 6184), (3784, 5411)]