20805026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 14817694

約数列:

[1, 2, 11, 22, 37, 61, 74, 122, 407, 419, 671, 814, 838, 1342, 2257, 4514, 4609, 9218, 15503, 24827, 25559, 31006, 49654, 51118, 170533, 281149, 341066, 562298, 945683, 1891366, 10402513, 20805026]

約数ペア:

[(1, 20805026), (2, 10402513), (11, 1891366), (22, 945683), (37, 562298), (61, 341066), (74, 281149), (122, 170533), (407, 51118), (419, 49654), (671, 31006), (814, 25559), (838, 24827), (1342, 15503), (2257, 9218), (4514, 4609)]