20217168

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{883}}^1$

素因数の和:953

約数の個数: 80

約数和(自身を含む): 59192640

約数和(自身を除く): 38975472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 144, 159, 212, 216, 318, 424, 432, 477, 636, 848, 883, 954, 1272, 1431, 1766, 1908, 2544, 2649, 2862, 3532, 3816, 5298, 5724, 7064, 7632, 7947, 10596, 11448, 14128, 15894, 21192, 22896, 23841, 31788, 42384, 46799, 47682, 63576, 93598, 95364, 127152, 140397, 187196, 190728, 280794, 374392, 381456, 421191, 561588, 748784, 842382, 1123176, 1263573, 1684764, 2246352, 2527146, 3369528, 5054292, 6739056, 10108584, 20217168]

約数ペア:

[(1, 20217168), (2, 10108584), (3, 6739056), (4, 5054292), (6, 3369528), (8, 2527146), (9, 2246352), (12, 1684764), (16, 1263573), (18, 1123176), (24, 842382), (27, 748784), (36, 561588), (48, 421191), (53, 381456), (54, 374392), (72, 280794), (106, 190728), (108, 187196), (144, 140397), (159, 127152), (212, 95364), (216, 93598), (318, 63576), (424, 47682), (432, 46799), (477, 42384), (636, 31788), (848, 23841), (883, 22896), (954, 21192), (1272, 15894), (1431, 14128), (1766, 11448), (1908, 10596), (2544, 7947), (2649, 7632), (2862, 7064), (3532, 5724), (3816, 5298)]