20856892

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 24382148

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 172, 238, 301, 476, 602, 731, 1019, 1204, 1462, 2038, 2924, 4076, 5117, 7133, 10234, 14266, 17323, 20468, 28532, 34646, 43817, 69292, 87634, 121261, 175268, 242522, 306719, 485044, 613438, 744889, 1226876, 1489778, 2979556, 5214223, 10428446, 20856892]

約数ペア:

[(1, 20856892), (2, 10428446), (4, 5214223), (7, 2979556), (14, 1489778), (17, 1226876), (28, 744889), (34, 613438), (43, 485044), (68, 306719), (86, 242522), (119, 175268), (172, 121261), (238, 87634), (301, 69292), (476, 43817), (602, 34646), (731, 28532), (1019, 20468), (1204, 17323), (1462, 14266), (2038, 10234), (2924, 7133), (4076, 5117)]