20178027075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{13099}}^1$

素因数の和:13201

約数の個数: 96

約数和(自身を含む): 37426176000

約数和(自身を除く): 17248148925

約数列:

[1, 3, 5, 15, 19, 23, 25, 47, 57, 69, 75, 95, 115, 141, 235, 285, 345, 437, 475, 575, 705, 893, 1081, 1175, 1311, 1425, 1725, 2185, 2679, 3243, 3525, 4465, 5405, 6555, 10925, 13099, 13395, 16215, 20539, 22325, 27025, 32775, 39297, 61617, 65495, 66975, 81075, 102695, 196485, 248881, 301277, 308085, 327475, 513475, 615653, 746643, 903831, 982425, 1244405, 1506385, 1540425, 1846959, 3078265, 3733215, 4519155, 5724263, 6222025, 7531925, 9234795, 11697407, 14160019, 15391325, 17172789, 18666075, 22595775, 28621315, 35092221, 42480057, 46173975, 58487035, 70800095, 85863945, 143106575, 175461105, 212400285, 269040361, 292435175, 354000475, 429319725, 807121083, 877305525, 1062001425, 1345201805, 4035605415, 6726009025, 20178027075]

約数ペア:

[(1, 20178027075), (3, 6726009025), (5, 4035605415), (15, 1345201805), (19, 1062001425), (23, 877305525), (25, 807121083), (47, 429319725), (57, 354000475), (69, 292435175), (75, 269040361), (95, 212400285), (115, 175461105), (141, 143106575), (235, 85863945), (285, 70800095), (345, 58487035), (437, 46173975), (475, 42480057), (575, 35092221), (705, 28621315), (893, 22595775), (1081, 18666075), (1175, 17172789), (1311, 15391325), (1425, 14160019), (1725, 11697407), (2185, 9234795), (2679, 7531925), (3243, 6222025), (3525, 5724263), (4465, 4519155), (5405, 3733215), (6555, 3078265), (10925, 1846959), (13099, 1540425), (13395, 1506385), (16215, 1244405), (20539, 982425), (22325, 903831), (27025, 746643), (32775, 615653), (39297, 513475), (61617, 327475), (65495, 308085), (66975, 301277), (81075, 248881), (102695, 196485)]