20358464

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1567}}^1$

素因数の和:1615

約数の個数: 56

約数和(自身を含む): 47792640

約数和(自身を除く): 27434176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 224, 232, 406, 448, 464, 812, 928, 1567, 1624, 1856, 3134, 3248, 6268, 6496, 10969, 12536, 12992, 21938, 25072, 43876, 45443, 50144, 87752, 90886, 100288, 175504, 181772, 318101, 351008, 363544, 636202, 702016, 727088, 1272404, 1454176, 2544808, 2908352, 5089616, 10179232, 20358464]

約数ペア:

[(1, 20358464), (2, 10179232), (4, 5089616), (7, 2908352), (8, 2544808), (14, 1454176), (16, 1272404), (28, 727088), (29, 702016), (32, 636202), (56, 363544), (58, 351008), (64, 318101), (112, 181772), (116, 175504), (203, 100288), (224, 90886), (232, 87752), (406, 50144), (448, 45443), (464, 43876), (812, 25072), (928, 21938), (1567, 12992), (1624, 12536), (1856, 10969), (3134, 6496), (3248, 6268)]