20512172324

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1\times {\mathrm{571}}^1$

素因数の和:1225

約数の個数: 96

約数和(自身を含む): 43875127296

約数和(自身を除く): 23362954972

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 163, 238, 326, 463, 476, 571, 652, 926, 1141, 1142, 1852, 2282, 2284, 2771, 3241, 3997, 4564, 5542, 6482, 7871, 7994, 9707, 11084, 12964, 15742, 15988, 19397, 19414, 31484, 38794, 38828, 55097, 67949, 75469, 77588, 93073, 110194, 135898, 150938, 186146, 220388, 264373, 271796, 301876, 372292, 528283, 528746, 651511, 1056566, 1057492, 1282973, 1303022, 1582241, 1850611, 2113132, 2565946, 2606044, 3164482, 3701222, 4494341, 5131892, 6328964, 7402444, 8980811, 8988682, 11075687, 17961622, 17977364, 22151374, 31460387, 35923244, 43092799, 44302748, 62920774, 86185598, 125841548, 172371196, 301649593, 603299186, 732577583, 1206598372, 1465155166, 2930310332, 5128043081, 10256086162, 20512172324]

約数ペア:

[(1, 20512172324), (2, 10256086162), (4, 5128043081), (7, 2930310332), (14, 1465155166), (17, 1206598372), (28, 732577583), (34, 603299186), (68, 301649593), (119, 172371196), (163, 125841548), (238, 86185598), (326, 62920774), (463, 44302748), (476, 43092799), (571, 35923244), (652, 31460387), (926, 22151374), (1141, 17977364), (1142, 17961622), (1852, 11075687), (2282, 8988682), (2284, 8980811), (2771, 7402444), (3241, 6328964), (3997, 5131892), (4564, 4494341), (5542, 3701222), (6482, 3164482), (7871, 2606044), (7994, 2565946), (9707, 2113132), (11084, 1850611), (12964, 1582241), (15742, 1303022), (15988, 1282973), (19397, 1057492), (19414, 1056566), (31484, 651511), (38794, 528746), (38828, 528283), (55097, 372292), (67949, 301876), (75469, 271796), (77588, 264373), (93073, 220388), (110194, 186146), (135898, 150938)]