20308816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 46604160

約数和(自身を除く): 26295344

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 29, 44, 46, 58, 88, 92, 116, 173, 176, 184, 232, 253, 319, 346, 368, 464, 506, 638, 667, 692, 1012, 1276, 1334, 1384, 1903, 2024, 2552, 2668, 2768, 3806, 3979, 4048, 5017, 5104, 5336, 7337, 7612, 7958, 10034, 10672, 14674, 15224, 15916, 20068, 29348, 30448, 31832, 40136, 43769, 55187, 58696, 63664, 80272, 87538, 110374, 115391, 117392, 175076, 220748, 230782, 350152, 441496, 461564, 700304, 882992, 923128, 1269301, 1846256, 2538602, 5077204, 10154408, 20308816]

約数ペア:

[(1, 20308816), (2, 10154408), (4, 5077204), (8, 2538602), (11, 1846256), (16, 1269301), (22, 923128), (23, 882992), (29, 700304), (44, 461564), (46, 441496), (58, 350152), (88, 230782), (92, 220748), (116, 175076), (173, 117392), (176, 115391), (184, 110374), (232, 87538), (253, 80272), (319, 63664), (346, 58696), (368, 55187), (464, 43769), (506, 40136), (638, 31832), (667, 30448), (692, 29348), (1012, 20068), (1276, 15916), (1334, 15224), (1384, 14674), (1903, 10672), (2024, 10034), (2552, 7958), (2668, 7612), (2768, 7337), (3806, 5336), (3979, 5104), (4048, 5017)]