20121369609

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 33124515840

約数和(自身を除く): 13003146231

約数列:

[1, 3, 11, 17, 31, 33, 47, 51, 93, 103, 141, 187, 239, 309, 341, 517, 527, 561, 717, 799, 1023, 1133, 1457, 1551, 1581, 1751, 2397, 2629, 3193, 3399, 4063, 4371, 4841, 5253, 5797, 7409, 7887, 8789, 9579, 11233, 12189, 14523, 16027, 17391, 19261, 22227, 24617, 24769, 26367, 33699, 35123, 44693, 48081, 53251, 54281, 57783, 73851, 74307, 81499, 82297, 105369, 123563, 125953, 134079, 150071, 159753, 162843, 190961, 244497, 246891, 270787, 272459, 348223, 370689, 377859, 418489, 450213, 572883, 597091, 763127, 812361, 817377, 905267, 1044669, 1156999, 1255467, 1385483, 1650781, 1791273, 2100571, 2289381, 2551207, 2715801, 3470997, 3830453, 4156449, 4603379, 4952343, 5919791, 6301713, 7653621, 8394397, 11491359, 12726989, 12973159, 13810137, 17759373, 19668983, 25183191, 28063277, 35866969, 38180967, 38919477, 59006949, 65117701, 84189831, 107600907, 142704749, 195353103, 216358813, 394536659, 428114247, 609738473, 649076439, 1183609977, 1829215419, 6707123203, 20121369609]

約数ペア:

[(1, 20121369609), (3, 6707123203), (11, 1829215419), (17, 1183609977), (31, 649076439), (33, 609738473), (47, 428114247), (51, 394536659), (93, 216358813), (103, 195353103), (141, 142704749), (187, 107600907), (239, 84189831), (309, 65117701), (341, 59006949), (517, 38919477), (527, 38180967), (561, 35866969), (717, 28063277), (799, 25183191), (1023, 19668983), (1133, 17759373), (1457, 13810137), (1551, 12973159), (1581, 12726989), (1751, 11491359), (2397, 8394397), (2629, 7653621), (3193, 6301713), (3399, 5919791), (4063, 4952343), (4371, 4603379), (4841, 4156449), (5253, 3830453), (5797, 3470997), (7409, 2715801), (7887, 2551207), (8789, 2289381), (9579, 2100571), (11233, 1791273), (12189, 1650781), (14523, 1385483), (16027, 1255467), (17391, 1156999), (19261, 1044669), (22227, 905267), (24617, 817377), (24769, 812361), (26367, 763127), (33699, 597091), (35123, 572883), (44693, 450213), (48081, 418489), (53251, 377859), (54281, 370689), (57783, 348223), (73851, 272459), (74307, 270787), (81499, 246891), (82297, 244497), (105369, 190961), (123563, 162843), (125953, 159753), (134079, 150071)]