20895776

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 28093024

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 29, 32, 44, 46, 58, 88, 89, 92, 116, 176, 178, 184, 232, 253, 319, 352, 356, 368, 464, 506, 638, 667, 712, 736, 928, 979, 1012, 1276, 1334, 1424, 1958, 2024, 2047, 2552, 2581, 2668, 2848, 3916, 4048, 4094, 5104, 5162, 5336, 7337, 7832, 8096, 8188, 10208, 10324, 10672, 14674, 15664, 16376, 20648, 21344, 22517, 28391, 29348, 31328, 32752, 41296, 45034, 56782, 58696, 59363, 65504, 82592, 90068, 113564, 117392, 118726, 180136, 227128, 234784, 237452, 360272, 454256, 474904, 652993, 720544, 908512, 949808, 1305986, 1899616, 2611972, 5223944, 10447888, 20895776]

約数ペア:

[(1, 20895776), (2, 10447888), (4, 5223944), (8, 2611972), (11, 1899616), (16, 1305986), (22, 949808), (23, 908512), (29, 720544), (32, 652993), (44, 474904), (46, 454256), (58, 360272), (88, 237452), (89, 234784), (92, 227128), (116, 180136), (176, 118726), (178, 117392), (184, 113564), (232, 90068), (253, 82592), (319, 65504), (352, 59363), (356, 58696), (368, 56782), (464, 45034), (506, 41296), (638, 32752), (667, 31328), (712, 29348), (736, 28391), (928, 22517), (979, 21344), (1012, 20648), (1276, 16376), (1334, 15664), (1424, 14674), (1958, 10672), (2024, 10324), (2047, 10208), (2552, 8188), (2581, 8096), (2668, 7832), (2848, 7337), (3916, 5336), (4048, 5162), (4094, 5104)]