20510210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7919}}^1$

素因数の和:7970

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22828030

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7919, 15838, 39595, 55433, 79190, 110866, 277165, 293003, 554330, 586006, 1465015, 2051021, 2930030, 4102042, 10255105, 20510210]

約数ペア:

[(1, 20510210), (2, 10255105), (5, 4102042), (7, 2930030), (10, 2051021), (14, 1465015), (35, 586006), (37, 554330), (70, 293003), (74, 277165), (185, 110866), (259, 79190), (370, 55433), (518, 39595), (1295, 15838), (2590, 7919)]