20792826

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 47441160

約数和(自身を除く): 26648334

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 653, 1098, 1306, 1769, 1959, 3538, 3918, 5307, 5877, 10614, 11754, 15921, 18937, 31842, 37874, 39833, 56811, 79666, 113622, 119499, 170433, 238998, 340866, 358497, 716994, 1155157, 2310314, 3465471, 6930942, 10396413, 20792826]

約数ペア:

[(1, 20792826), (2, 10396413), (3, 6930942), (6, 3465471), (9, 2310314), (18, 1155157), (29, 716994), (58, 358497), (61, 340866), (87, 238998), (122, 170433), (174, 119499), (183, 113622), (261, 79666), (366, 56811), (522, 39833), (549, 37874), (653, 31842), (1098, 18937), (1306, 15921), (1769, 11754), (1959, 10614), (3538, 5877), (3918, 5307)]