20123486625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2647}}^1$

素因数の和:2792

約数の個数: 128

約数和(自身を含む): 38863319040

約数和(自身を除く): 18739832415

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 97, 125, 165, 209, 275, 285, 291, 375, 475, 485, 627, 825, 1045, 1067, 1375, 1425, 1455, 1843, 2375, 2425, 2647, 3135, 3201, 4125, 5225, 5335, 5529, 7125, 7275, 7941, 9215, 12125, 13235, 15675, 16005, 20273, 26125, 26675, 27645, 29117, 36375, 39705, 46075, 50293, 60819, 66175, 78375, 80025, 87351, 101365, 133375, 138225, 145585, 150879, 198525, 230375, 251465, 256759, 304095, 330875, 400125, 436755, 506825, 553223, 691125, 727925, 754395, 770277, 992625, 1257325, 1283795, 1520475, 1659669, 2183775, 2534125, 2766115, 2824349, 3639625, 3771975, 3851385, 4878421, 6286625, 6418975, 7602375, 8298345, 8473047, 10918875, 13830575, 14121745, 14635263, 18859875, 19256925, 24392105, 32094875, 41491725, 42365235, 53662631, 69152875, 70608725, 73176315, 96284625, 121960525, 160987893, 207458625, 211826175, 268313155, 353043625, 365881575, 609802625, 804939465, 1059130875, 1341565775, 1829407875, 4024697325, 6707828875, 20123486625]

約数ペア:

[(1, 20123486625), (3, 6707828875), (5, 4024697325), (11, 1829407875), (15, 1341565775), (19, 1059130875), (25, 804939465), (33, 609802625), (55, 365881575), (57, 353043625), (75, 268313155), (95, 211826175), (97, 207458625), (125, 160987893), (165, 121960525), (209, 96284625), (275, 73176315), (285, 70608725), (291, 69152875), (375, 53662631), (475, 42365235), (485, 41491725), (627, 32094875), (825, 24392105), (1045, 19256925), (1067, 18859875), (1375, 14635263), (1425, 14121745), (1455, 13830575), (1843, 10918875), (2375, 8473047), (2425, 8298345), (2647, 7602375), (3135, 6418975), (3201, 6286625), (4125, 4878421), (5225, 3851385), (5335, 3771975), (5529, 3639625), (7125, 2824349), (7275, 2766115), (7941, 2534125), (9215, 2183775), (12125, 1659669), (13235, 1520475), (15675, 1283795), (16005, 1257325), (20273, 992625), (26125, 770277), (26675, 754395), (27645, 727925), (29117, 691125), (36375, 553223), (39705, 506825), (46075, 436755), (50293, 400125), (60819, 330875), (66175, 304095), (78375, 256759), (80025, 251465), (87351, 230375), (101365, 198525), (133375, 150879), (138225, 145585)]