20515673850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19538737}}^1$

素因数の和:19538759

約数の個数: 48

約数和(自身を含む): 58147284288

約数和(自身を除く): 37631610438

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 19538737, 39077474, 58616211, 97693685, 117232422, 136771159, 195387370, 273542318, 293081055, 410313477, 488468425, 586162110, 683855795, 820626954, 976936850, 1367711590, 1465405275, 2051567385, 2930810550, 3419278975, 4103134770, 6838557950, 10257836925, 20515673850]

約数ペア:

[(1, 20515673850), (2, 10257836925), (3, 6838557950), (5, 4103134770), (6, 3419278975), (7, 2930810550), (10, 2051567385), (14, 1465405275), (15, 1367711590), (21, 976936850), (25, 820626954), (30, 683855795), (35, 586162110), (42, 488468425), (50, 410313477), (70, 293081055), (75, 273542318), (105, 195387370), (150, 136771159), (175, 117232422), (210, 97693685), (350, 58616211), (525, 39077474), (1050, 19538737)]