20553344

素因数分解:

$2^7\times 7^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 49709700

約数和(自身を除く): 29156356

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 64, 98, 112, 113, 116, 128, 196, 203, 224, 226, 232, 392, 406, 448, 452, 464, 784, 791, 812, 896, 904, 928, 1421, 1568, 1582, 1624, 1808, 1856, 2842, 3136, 3164, 3248, 3277, 3616, 3712, 5537, 5684, 6272, 6328, 6496, 6554, 7232, 11074, 11368, 12656, 12992, 13108, 14464, 22148, 22736, 22939, 25312, 25984, 26216, 44296, 45472, 45878, 50624, 52432, 88592, 90944, 91756, 101248, 104864, 160573, 177184, 181888, 183512, 209728, 321146, 354368, 367024, 419456, 642292, 708736, 734048, 1284584, 1468096, 2569168, 2936192, 5138336, 10276672, 20553344]

約数ペア:

[(1, 20553344), (2, 10276672), (4, 5138336), (7, 2936192), (8, 2569168), (14, 1468096), (16, 1284584), (28, 734048), (29, 708736), (32, 642292), (49, 419456), (56, 367024), (58, 354368), (64, 321146), (98, 209728), (112, 183512), (113, 181888), (116, 177184), (128, 160573), (196, 104864), (203, 101248), (224, 91756), (226, 90944), (232, 88592), (392, 52432), (406, 50624), (448, 45878), (452, 45472), (464, 44296), (784, 26216), (791, 25984), (812, 25312), (896, 22939), (904, 22736), (928, 22148), (1421, 14464), (1568, 13108), (1582, 12992), (1624, 12656), (1808, 11368), (1856, 11074), (2842, 7232), (3136, 6554), (3164, 6496), (3248, 6328), (3277, 6272), (3616, 5684), (3712, 5537)]