20606695100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3931}}^1$

素因数の和:4084

約数の個数: 144

約数和(自身を含む): 49146854400

約数和(自身を除く): 28540159300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 89, 95, 100, 124, 155, 178, 190, 310, 356, 380, 445, 475, 589, 620, 775, 890, 950, 1178, 1550, 1691, 1780, 1900, 2225, 2356, 2759, 2945, 3100, 3382, 3931, 4450, 5518, 5890, 6764, 7862, 8455, 8900, 11036, 11780, 13795, 14725, 15724, 16910, 19655, 27590, 29450, 33820, 39310, 42275, 52421, 55180, 58900, 68975, 74689, 78620, 84550, 98275, 104842, 121861, 137950, 149378, 169100, 196550, 209684, 243722, 262105, 275900, 298756, 349859, 373445, 393100, 487444, 524210, 609305, 699718, 746890, 1048420, 1218610, 1310525, 1399436, 1493780, 1749295, 1867225, 2315359, 2437220, 2621050, 3046525, 3498590, 3734450, 4630718, 5242100, 6093050, 6647321, 6997180, 7468900, 8746475, 9261436, 10845629, 11576795, 12186100, 13294642, 17492950, 21691258, 23153590, 26589284, 33236605, 34985900, 43382516, 46307180, 54228145, 57883975, 66473210, 108456290, 115767950, 132946420, 166183025, 206066951, 216912580, 231535900, 271140725, 332366050, 412133902, 542281450, 664732100, 824267804, 1030334755, 1084562900, 2060669510, 4121339020, 5151673775, 10303347550, 20606695100]

約数ペア:

[(1, 20606695100), (2, 10303347550), (4, 5151673775), (5, 4121339020), (10, 2060669510), (19, 1084562900), (20, 1030334755), (25, 824267804), (31, 664732100), (38, 542281450), (50, 412133902), (62, 332366050), (76, 271140725), (89, 231535900), (95, 216912580), (100, 206066951), (124, 166183025), (155, 132946420), (178, 115767950), (190, 108456290), (310, 66473210), (356, 57883975), (380, 54228145), (445, 46307180), (475, 43382516), (589, 34985900), (620, 33236605), (775, 26589284), (890, 23153590), (950, 21691258), (1178, 17492950), (1550, 13294642), (1691, 12186100), (1780, 11576795), (1900, 10845629), (2225, 9261436), (2356, 8746475), (2759, 7468900), (2945, 6997180), (3100, 6647321), (3382, 6093050), (3931, 5242100), (4450, 4630718), (5518, 3734450), (5890, 3498590), (6764, 3046525), (7862, 2621050), (8455, 2437220), (8900, 2315359), (11036, 1867225), (11780, 1749295), (13795, 1493780), (14725, 1399436), (15724, 1310525), (16910, 1218610), (19655, 1048420), (27590, 746890), (29450, 699718), (33820, 609305), (39310, 524210), (42275, 487444), (52421, 393100), (55180, 373445), (58900, 349859), (68975, 298756), (74689, 275900), (78620, 262105), (84550, 243722), (98275, 209684), (104842, 196550), (121861, 169100), (137950, 149378)]