20889610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2789}}^1$

素因数の和:2910

約数の個数: 32

約数和(自身を含む): 43390080

約数和(自身を除く): 22500470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2789, 3745, 5578, 7490, 13945, 19523, 27890, 39046, 97615, 195230, 298423, 596846, 1492115, 2088961, 2984230, 4177922, 10444805, 20889610]

約数ペア:

[(1, 20889610), (2, 10444805), (5, 4177922), (7, 2984230), (10, 2088961), (14, 1492115), (35, 596846), (70, 298423), (107, 195230), (214, 97615), (535, 39046), (749, 27890), (1070, 19523), (1498, 13945), (2789, 7490), (3745, 5578)]