20341904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2819}}^1$

素因数の和:2879

約数の個数: 40

約数和(自身を含む): 44059680

約数和(自身を除く): 23717776

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2819, 3608, 5638, 7216, 11276, 22552, 31009, 45104, 62018, 115579, 124036, 231158, 248072, 462316, 496144, 924632, 1271369, 1849264, 2542738, 5085476, 10170952, 20341904]

約数ペア:

[(1, 20341904), (2, 10170952), (4, 5085476), (8, 2542738), (11, 1849264), (16, 1271369), (22, 924632), (41, 496144), (44, 462316), (82, 248072), (88, 231158), (164, 124036), (176, 115579), (328, 62018), (451, 45104), (656, 31009), (902, 22552), (1804, 11276), (2819, 7216), (3608, 5638)]