20031776

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:777

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 22425184

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 701, 752, 893, 1402, 1504, 1786, 2804, 3572, 5608, 7144, 11216, 13319, 14288, 22432, 26638, 28576, 32947, 53276, 65894, 106552, 131788, 213104, 263576, 426208, 527152, 625993, 1054304, 1251986, 2503972, 5007944, 10015888, 20031776]

約数ペア:

[(1, 20031776), (2, 10015888), (4, 5007944), (8, 2503972), (16, 1251986), (19, 1054304), (32, 625993), (38, 527152), (47, 426208), (76, 263576), (94, 213104), (152, 131788), (188, 106552), (304, 65894), (376, 53276), (608, 32947), (701, 28576), (752, 26638), (893, 22432), (1402, 14288), (1504, 13319), (1786, 11216), (2804, 7144), (3572, 5608)]