20194270

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15901}}^1$

素因数の和:16035

約数の個数: 16

約数和(自身を含む): 36638208

約数和(自身を除く): 16443938

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 15901, 31802, 79505, 159010, 2019427, 4038854, 10097135, 20194270]

約数ペア:

[(1, 20194270), (2, 10097135), (5, 4038854), (10, 2019427), (127, 159010), (254, 79505), (635, 31802), (1270, 15901)]