20197675617

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1\times {\mathrm{719}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 32182272000

約数和(自身を除く): 11984596383

約数列:

[1, 3, 7, 21, 29, 87, 193, 203, 239, 579, 609, 717, 719, 1351, 1673, 2157, 4053, 5019, 5033, 5597, 6931, 15099, 16791, 20793, 20851, 39179, 46127, 48517, 62553, 117537, 138381, 138767, 145551, 145957, 171841, 322889, 416301, 437871, 515523, 968667, 971369, 1202887, 1337683, 2914107, 3608661, 4013049, 4024243, 4983389, 9363781, 12072729, 14950167, 28091343, 28169701, 33165313, 34883723, 84509103, 99495939, 104651169, 232157191, 696471573, 961794077, 2885382231, 6732558539, 20197675617]

約数ペア:

[(1, 20197675617), (3, 6732558539), (7, 2885382231), (21, 961794077), (29, 696471573), (87, 232157191), (193, 104651169), (203, 99495939), (239, 84509103), (579, 34883723), (609, 33165313), (717, 28169701), (719, 28091343), (1351, 14950167), (1673, 12072729), (2157, 9363781), (4053, 4983389), (5019, 4024243), (5033, 4013049), (5597, 3608661), (6931, 2914107), (15099, 1337683), (16791, 1202887), (20793, 971369), (20851, 968667), (39179, 515523), (46127, 437871), (48517, 416301), (62553, 322889), (117537, 171841), (138381, 145957), (138767, 145551)]