20558928

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:772

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 37937328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 47, 48, 52, 78, 94, 104, 141, 156, 188, 208, 282, 312, 376, 564, 611, 624, 701, 752, 1128, 1222, 1402, 1833, 2103, 2256, 2444, 2804, 3666, 4206, 4888, 5608, 7332, 8412, 9113, 9776, 11216, 14664, 16824, 18226, 27339, 29328, 32947, 33648, 36452, 54678, 65894, 72904, 98841, 109356, 131788, 145808, 197682, 218712, 263576, 395364, 428311, 437424, 527152, 790728, 856622, 1284933, 1581456, 1713244, 2569866, 3426488, 5139732, 6852976, 10279464, 20558928]

約数ペア:

[(1, 20558928), (2, 10279464), (3, 6852976), (4, 5139732), (6, 3426488), (8, 2569866), (12, 1713244), (13, 1581456), (16, 1284933), (24, 856622), (26, 790728), (39, 527152), (47, 437424), (48, 428311), (52, 395364), (78, 263576), (94, 218712), (104, 197682), (141, 145808), (156, 131788), (188, 109356), (208, 98841), (282, 72904), (312, 65894), (376, 54678), (564, 36452), (611, 33648), (624, 32947), (701, 29328), (752, 27339), (1128, 18226), (1222, 16824), (1402, 14664), (1833, 11216), (2103, 9776), (2256, 9113), (2444, 8412), (2804, 7332), (3666, 5608), (4206, 4888)]