20803724435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{12637}}^1$

素因数の和:12748

約数の個数: 64

約数和(自身を含む): 29894430720

約数和(自身を除く): 9090706285

約数列:

[1, 5, 13, 19, 31, 43, 65, 95, 155, 215, 247, 403, 559, 589, 817, 1235, 1333, 2015, 2795, 2945, 4085, 6665, 7657, 10621, 12637, 17329, 25327, 38285, 53105, 63185, 86645, 126635, 164281, 240103, 329251, 391747, 543391, 821405, 1200515, 1646255, 1958735, 2716955, 3121339, 5092711, 7064083, 7443193, 10324429, 15606695, 16845121, 25463555, 35320415, 37215965, 51622145, 84225605, 96761509, 134217577, 218986573, 320057299, 483807545, 671087885, 1094932865, 1600286495, 4160744887, 20803724435]

約数ペア:

[(1, 20803724435), (5, 4160744887), (13, 1600286495), (19, 1094932865), (31, 671087885), (43, 483807545), (65, 320057299), (95, 218986573), (155, 134217577), (215, 96761509), (247, 84225605), (403, 51622145), (559, 37215965), (589, 35320415), (817, 25463555), (1235, 16845121), (1333, 15606695), (2015, 10324429), (2795, 7443193), (2945, 7064083), (4085, 5092711), (6665, 3121339), (7657, 2716955), (10621, 1958735), (12637, 1646255), (17329, 1200515), (25327, 821405), (38285, 543391), (53105, 391747), (63185, 329251), (86645, 240103), (126635, 164281)]