20893408

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 43999200

約数和(自身を除く): 23105792

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 193, 199, 272, 386, 398, 544, 772, 796, 1544, 1592, 3088, 3184, 3281, 3383, 6176, 6368, 6562, 6766, 13124, 13532, 26248, 27064, 38407, 52496, 54128, 76814, 104992, 108256, 153628, 307256, 614512, 652919, 1229024, 1305838, 2611676, 5223352, 10446704, 20893408]

約数ペア:

[(1, 20893408), (2, 10446704), (4, 5223352), (8, 2611676), (16, 1305838), (17, 1229024), (32, 652919), (34, 614512), (68, 307256), (136, 153628), (193, 108256), (199, 104992), (272, 76814), (386, 54128), (398, 52496), (544, 38407), (772, 27064), (796, 26248), (1544, 13532), (1592, 13124), (3088, 6766), (3184, 6562), (3281, 6368), (3383, 6176)]