20195782308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{4421}}^1$

素因数の和:4714

約数の個数: 144

約数和(自身を含む): 56516556096

約数和(自身を除く): 36320773788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 227, 234, 258, 387, 454, 468, 516, 559, 681, 774, 908, 1118, 1362, 1548, 1677, 2043, 2236, 2724, 2951, 3354, 4086, 4421, 5031, 5902, 6708, 8172, 8842, 8853, 9761, 10062, 11804, 13263, 17684, 17706, 19522, 20124, 26526, 26559, 29283, 35412, 39044, 39789, 53052, 53118, 57473, 58566, 79578, 87849, 106236, 114946, 117132, 126893, 159156, 172419, 175698, 190103, 229892, 253786, 344838, 351396, 380206, 380679, 507572, 517257, 570309, 689676, 760412, 761358, 1003567, 1034514, 1140618, 1142037, 1522716, 1710927, 2007134, 2069028, 2281236, 2284074, 2471339, 3010701, 3421854, 4014268, 4568148, 4942678, 6021402, 6843708, 7414017, 9032103, 9885356, 12042804, 13046371, 14828034, 18064206, 22242051, 26092742, 29656068, 36128412, 39139113, 43153381, 44484102, 52185484, 78278226, 86306762, 88968204, 117417339, 129460143, 156556452, 172613524, 234834678, 258920286, 388380429, 469669356, 517840572, 560993953, 776760858, 1121987906, 1553521716, 1682981859, 2243975812, 3365963718, 5048945577, 6731927436, 10097891154, 20195782308]

約数ペア:

[(1, 20195782308), (2, 10097891154), (3, 6731927436), (4, 5048945577), (6, 3365963718), (9, 2243975812), (12, 1682981859), (13, 1553521716), (18, 1121987906), (26, 776760858), (36, 560993953), (39, 517840572), (43, 469669356), (52, 388380429), (78, 258920286), (86, 234834678), (117, 172613524), (129, 156556452), (156, 129460143), (172, 117417339), (227, 88968204), (234, 86306762), (258, 78278226), (387, 52185484), (454, 44484102), (468, 43153381), (516, 39139113), (559, 36128412), (681, 29656068), (774, 26092742), (908, 22242051), (1118, 18064206), (1362, 14828034), (1548, 13046371), (1677, 12042804), (2043, 9885356), (2236, 9032103), (2724, 7414017), (2951, 6843708), (3354, 6021402), (4086, 4942678), (4421, 4568148), (5031, 4014268), (5902, 3421854), (6708, 3010701), (8172, 2471339), (8842, 2284074), (8853, 2281236), (9761, 2069028), (10062, 2007134), (11804, 1710927), (13263, 1522716), (17684, 1142037), (17706, 1140618), (19522, 1034514), (20124, 1003567), (26526, 761358), (26559, 760412), (29283, 689676), (35412, 570309), (39044, 517257), (39789, 507572), (53052, 380679), (53118, 380206), (57473, 351396), (58566, 344838), (79578, 253786), (87849, 229892), (106236, 190103), (114946, 175698), (117132, 172419), (126893, 159156)]