20731572

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1533

約数の個数: 48

約数和(自身を含む): 54174400

約数和(自身を除く): 33442828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 556, 834, 1251, 1381, 1668, 2502, 2762, 3753, 4143, 5004, 5524, 7506, 8286, 12429, 15012, 16572, 24858, 37287, 49716, 74574, 149148, 191959, 383918, 575877, 767836, 1151754, 1727631, 2303508, 3455262, 5182893, 6910524, 10365786, 20731572]

約数ペア:

[(1, 20731572), (2, 10365786), (3, 6910524), (4, 5182893), (6, 3455262), (9, 2303508), (12, 1727631), (18, 1151754), (27, 767836), (36, 575877), (54, 383918), (108, 191959), (139, 149148), (278, 74574), (417, 49716), (556, 37287), (834, 24858), (1251, 16572), (1381, 15012), (1668, 12429), (2502, 8286), (2762, 7506), (3753, 5524), (4143, 5004)]