20028584

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 43804800

約数和(自身を除く): 23776216

約数列:

[1, 2, 4, 8, 17, 19, 23, 34, 38, 46, 68, 76, 92, 136, 152, 184, 323, 337, 391, 437, 646, 674, 782, 874, 1292, 1348, 1564, 1748, 2584, 2696, 3128, 3496, 5729, 6403, 7429, 7751, 11458, 12806, 14858, 15502, 22916, 25612, 29716, 31004, 45832, 51224, 59432, 62008, 108851, 131767, 147269, 217702, 263534, 294538, 435404, 527068, 589076, 870808, 1054136, 1178152, 2503573, 5007146, 10014292, 20028584]

約数ペア:

[(1, 20028584), (2, 10014292), (4, 5007146), (8, 2503573), (17, 1178152), (19, 1054136), (23, 870808), (34, 589076), (38, 527068), (46, 435404), (68, 294538), (76, 263534), (92, 217702), (136, 147269), (152, 131767), (184, 108851), (323, 62008), (337, 59432), (391, 51224), (437, 45832), (646, 31004), (674, 29716), (782, 25612), (874, 22916), (1292, 15502), (1348, 14858), (1564, 12806), (1748, 11458), (2584, 7751), (2696, 7429), (3128, 6403), (3496, 5729)]