20338488

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1733}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 55453320

約数和(自身を除く): 35114832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1733, 1956, 2934, 3466, 3912, 5199, 5868, 6932, 10398, 11736, 13864, 15597, 20796, 31194, 41592, 62388, 124776, 282479, 564958, 847437, 1129916, 1694874, 2259832, 2542311, 3389748, 5084622, 6779496, 10169244, 20338488]

約数ペア:

[(1, 20338488), (2, 10169244), (3, 6779496), (4, 5084622), (6, 3389748), (8, 2542311), (9, 2259832), (12, 1694874), (18, 1129916), (24, 847437), (36, 564958), (72, 282479), (163, 124776), (326, 62388), (489, 41592), (652, 31194), (978, 20796), (1304, 15597), (1467, 13864), (1733, 11736), (1956, 10398), (2934, 6932), (3466, 5868), (3912, 5199)]