20787096624

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1995689}}^1$

素因数の和:1995738

約数の個数: 80

約数和(自身を含む): 63351183360

約数和(自身を除く): 42564086736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 1995689, 3991378, 5987067, 7982756, 11974134, 13969823, 15965512, 23948268, 27939646, 31931024, 41909469, 47896536, 55879292, 61866359, 83818938, 95793072, 111758584, 123732718, 167637876, 185599077, 223517168, 247465436, 335275752, 371198154, 433064513, 494930872, 670551504, 742396308, 866129026, 989861744, 1299193539, 1484792616, 1732258052, 2598387078, 2969585232, 3464516104, 5196774156, 6929032208, 10393548312, 20787096624]

約数ペア:

[(1, 20787096624), (2, 10393548312), (3, 6929032208), (4, 5196774156), (6, 3464516104), (7, 2969585232), (8, 2598387078), (12, 1732258052), (14, 1484792616), (16, 1299193539), (21, 989861744), (24, 866129026), (28, 742396308), (31, 670551504), (42, 494930872), (48, 433064513), (56, 371198154), (62, 335275752), (84, 247465436), (93, 223517168), (112, 185599077), (124, 167637876), (168, 123732718), (186, 111758584), (217, 95793072), (248, 83818938), (336, 61866359), (372, 55879292), (434, 47896536), (496, 41909469), (651, 31931024), (744, 27939646), (868, 23948268), (1302, 15965512), (1488, 13969823), (1736, 11974134), (2604, 7982756), (3472, 5987067), (5208, 3991378), (10416, 1995689)]