20684494

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:747

約数の個数: 16

約数和(自身を含む): 31521600

約数和(自身を除く): 10837106

約数列:

[1, 2, 109, 218, 239, 397, 478, 794, 26051, 43273, 52102, 86546, 94883, 189766, 10342247, 20684494]

約数ペア:

[(1, 20684494), (2, 10342247), (109, 189766), (218, 94883), (239, 86546), (397, 52102), (478, 43273), (794, 26051)]