20686610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9533}}^1$

素因数の和:9578

約数の個数: 32

約数和(自身を含む): 43932672

約数和(自身を除く): 23246062

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9533, 19066, 47665, 66731, 95330, 133462, 295523, 333655, 591046, 667310, 1477615, 2068661, 2955230, 4137322, 10343305, 20686610]

約数ペア:

[(1, 20686610), (2, 10343305), (5, 4137322), (7, 2955230), (10, 2068661), (14, 1477615), (31, 667310), (35, 591046), (62, 333655), (70, 295523), (155, 133462), (217, 95330), (310, 66731), (434, 47665), (1085, 19066), (2170, 9533)]