20122568925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1\times {\mathrm{967}}^1$

素因数の和:1875

約数の個数: 96

約数和(自身を含む): 37161907200

約数和(自身を除く): 17039338275

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 859, 967, 969, 1275, 1425, 1615, 2577, 2901, 4295, 4835, 4845, 8075, 12885, 14505, 14603, 16321, 16439, 18373, 21475, 24175, 24225, 43809, 48963, 49317, 55119, 64425, 72525, 73015, 81605, 82195, 91865, 219045, 244815, 246585, 275595, 277457, 312341, 365075, 408025, 410975, 459325, 830653, 832371, 937023, 1095225, 1224075, 1232925, 1377975, 1387285, 1561705, 2491959, 4153265, 4161855, 4685115, 6936425, 7808525, 12459795, 14121101, 15782407, 20766325, 20809275, 23425575, 42363303, 47347221, 62298975, 70605505, 78912035, 211816515, 236736105, 268300919, 353027525, 394560175, 804902757, 1059082575, 1183680525, 1341504595, 4024513785, 6707522975, 20122568925]

約数ペア:

[(1, 20122568925), (3, 6707522975), (5, 4024513785), (15, 1341504595), (17, 1183680525), (19, 1059082575), (25, 804902757), (51, 394560175), (57, 353027525), (75, 268300919), (85, 236736105), (95, 211816515), (255, 78912035), (285, 70605505), (323, 62298975), (425, 47347221), (475, 42363303), (859, 23425575), (967, 20809275), (969, 20766325), (1275, 15782407), (1425, 14121101), (1615, 12459795), (2577, 7808525), (2901, 6936425), (4295, 4685115), (4835, 4161855), (4845, 4153265), (8075, 2491959), (12885, 1561705), (14505, 1387285), (14603, 1377975), (16321, 1232925), (16439, 1224075), (18373, 1095225), (21475, 937023), (24175, 832371), (24225, 830653), (43809, 459325), (48963, 410975), (49317, 408025), (55119, 365075), (64425, 312341), (72525, 277457), (73015, 275595), (81605, 246585), (82195, 244815), (91865, 219045)]