20595776

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 56

約数和(自身を含む): 43013376

約数和(自身を除く): 22417600

約数列:

[1, 2, 4, 8, 16, 32, 41, 47, 64, 82, 94, 164, 167, 188, 328, 334, 376, 656, 668, 752, 1312, 1336, 1504, 1927, 2624, 2672, 3008, 3854, 5344, 6847, 7708, 7849, 10688, 13694, 15416, 15698, 27388, 30832, 31396, 54776, 61664, 62792, 109552, 123328, 125584, 219104, 251168, 321809, 438208, 502336, 643618, 1287236, 2574472, 5148944, 10297888, 20595776]

約数ペア:

[(1, 20595776), (2, 10297888), (4, 5148944), (8, 2574472), (16, 1287236), (32, 643618), (41, 502336), (47, 438208), (64, 321809), (82, 251168), (94, 219104), (164, 125584), (167, 123328), (188, 109552), (328, 62792), (334, 61664), (376, 54776), (656, 31396), (668, 30832), (752, 27388), (1312, 15698), (1336, 15416), (1504, 13694), (1927, 10688), (2624, 7849), (2672, 7708), (3008, 6847), (3854, 5344)]