20887232

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 56

約数和(自身を含む): 44348400

約数和(自身を除く): 23461168

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 89, 152, 178, 193, 304, 356, 386, 608, 712, 772, 1216, 1424, 1544, 1691, 2848, 3088, 3382, 3667, 5696, 6176, 6764, 7334, 12352, 13528, 14668, 17177, 27056, 29336, 34354, 54112, 58672, 68708, 108224, 117344, 137416, 234688, 274832, 326363, 549664, 652726, 1099328, 1305452, 2610904, 5221808, 10443616, 20887232]

約数ペア:

[(1, 20887232), (2, 10443616), (4, 5221808), (8, 2610904), (16, 1305452), (19, 1099328), (32, 652726), (38, 549664), (64, 326363), (76, 274832), (89, 234688), (152, 137416), (178, 117344), (193, 108224), (304, 68708), (356, 58672), (386, 54112), (608, 34354), (712, 29336), (772, 27056), (1216, 17177), (1424, 14668), (1544, 13528), (1691, 12352), (2848, 7334), (3088, 6764), (3382, 6176), (3667, 5696)]