20075096

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 42181800

約数和(自身を除く): 22106704

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 289, 323, 457, 578, 646, 914, 1156, 1292, 1828, 2312, 2584, 3656, 5491, 7769, 8683, 10982, 15538, 17366, 21964, 31076, 34732, 43928, 62152, 69464, 132073, 147611, 264146, 295222, 528292, 590444, 1056584, 1180888, 2509387, 5018774, 10037548, 20075096]

約数ペア:

[(1, 20075096), (2, 10037548), (4, 5018774), (8, 2509387), (17, 1180888), (19, 1056584), (34, 590444), (38, 528292), (68, 295222), (76, 264146), (136, 147611), (152, 132073), (289, 69464), (323, 62152), (457, 43928), (578, 34732), (646, 31076), (914, 21964), (1156, 17366), (1292, 15538), (1828, 10982), (2312, 8683), (2584, 7769), (3656, 5491)]