20889968260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{509263}}^1$

素因数の和:509572

約数の個数: 48

約数和(自身を含む): 50307134976

約数和(自身を除く): 29417166716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 586, 1172, 1465, 2051, 2930, 4102, 5860, 8204, 10255, 20510, 41020, 509263, 1018526, 2037052, 2546315, 3564841, 5092630, 7129682, 10185260, 14259364, 17824205, 35648410, 71296820, 149214059, 298428118, 596856236, 746070295, 1044498413, 1492140590, 2088996826, 2984281180, 4177993652, 5222492065, 10444984130, 20889968260]

約数ペア:

[(1, 20889968260), (2, 10444984130), (4, 5222492065), (5, 4177993652), (7, 2984281180), (10, 2088996826), (14, 1492140590), (20, 1044498413), (28, 746070295), (35, 596856236), (70, 298428118), (140, 149214059), (293, 71296820), (586, 35648410), (1172, 17824205), (1465, 14259364), (2051, 10185260), (2930, 7129682), (4102, 5092630), (5860, 3564841), (8204, 2546315), (10255, 2037052), (20510, 1018526), (41020, 509263)]