20623872

素因数分解:

$2^9\times 3^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:513

約数の個数: 80

約数和(自身を含む): 56960640

約数和(自身を除く): 36336768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 256, 348, 384, 463, 464, 512, 696, 768, 926, 928, 1389, 1392, 1536, 1852, 1856, 2778, 2784, 3704, 3712, 5556, 5568, 7408, 7424, 11112, 11136, 13427, 14816, 14848, 22224, 22272, 26854, 29632, 40281, 44448, 44544, 53708, 59264, 80562, 88896, 107416, 118528, 161124, 177792, 214832, 237056, 322248, 355584, 429664, 644496, 711168, 859328, 1288992, 1718656, 2577984, 3437312, 5155968, 6874624, 10311936, 20623872]

約数ペア:

[(1, 20623872), (2, 10311936), (3, 6874624), (4, 5155968), (6, 3437312), (8, 2577984), (12, 1718656), (16, 1288992), (24, 859328), (29, 711168), (32, 644496), (48, 429664), (58, 355584), (64, 322248), (87, 237056), (96, 214832), (116, 177792), (128, 161124), (174, 118528), (192, 107416), (232, 88896), (256, 80562), (348, 59264), (384, 53708), (463, 44544), (464, 44448), (512, 40281), (696, 29632), (768, 26854), (926, 22272), (928, 22224), (1389, 14848), (1392, 14816), (1536, 13427), (1852, 11136), (1856, 11112), (2778, 7424), (2784, 7408), (3704, 5568), (3712, 5556)]