20186763675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{667883}}^1$

素因数の和:667940

約数の個数: 48

約数和(自身を含む): 37102291968

約数和(自身を除く): 16915528293

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 6045, 10075, 30225, 667883, 2003649, 3339415, 8682479, 10018245, 16697075, 20704373, 26047437, 43412395, 50091225, 62113119, 103521865, 130237185, 217061975, 269156849, 310565595, 517609325, 651185925, 807470547, 1345784245, 1552827975, 4037352735, 6728921225, 20186763675]

約数ペア:

[(1, 20186763675), (3, 6728921225), (5, 4037352735), (13, 1552827975), (15, 1345784245), (25, 807470547), (31, 651185925), (39, 517609325), (65, 310565595), (75, 269156849), (93, 217061975), (155, 130237185), (195, 103521865), (325, 62113119), (403, 50091225), (465, 43412395), (775, 26047437), (975, 20704373), (1209, 16697075), (2015, 10018245), (2325, 8682479), (6045, 3339415), (10075, 2003649), (30225, 667883)]