20120490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 58378320

約数和(自身を除く): 38257830

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 29, 30, 39, 45, 58, 65, 78, 87, 90, 117, 130, 145, 174, 195, 234, 261, 290, 377, 390, 435, 522, 585, 593, 754, 870, 1131, 1170, 1186, 1305, 1779, 1885, 2262, 2610, 2965, 3393, 3558, 3770, 5337, 5655, 5930, 6786, 7709, 8895, 10674, 11310, 15418, 16965, 17197, 17790, 23127, 26685, 33930, 34394, 38545, 46254, 51591, 53370, 69381, 77090, 85985, 103182, 115635, 138762, 154773, 171970, 223561, 231270, 257955, 309546, 346905, 447122, 515910, 670683, 693810, 773865, 1117805, 1341366, 1547730, 2012049, 2235610, 3353415, 4024098, 6706830, 10060245, 20120490]

約数ペア:

[(1, 20120490), (2, 10060245), (3, 6706830), (5, 4024098), (6, 3353415), (9, 2235610), (10, 2012049), (13, 1547730), (15, 1341366), (18, 1117805), (26, 773865), (29, 693810), (30, 670683), (39, 515910), (45, 447122), (58, 346905), (65, 309546), (78, 257955), (87, 231270), (90, 223561), (117, 171970), (130, 154773), (145, 138762), (174, 115635), (195, 103182), (234, 85985), (261, 77090), (290, 69381), (377, 53370), (390, 51591), (435, 46254), (522, 38545), (585, 34394), (593, 33930), (754, 26685), (870, 23127), (1131, 17790), (1170, 17197), (1186, 16965), (1305, 15418), (1779, 11310), (1885, 10674), (2262, 8895), (2610, 7709), (2965, 6786), (3393, 5930), (3558, 5655), (3770, 5337)]