20218986574

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{1901}}^1\times {\mathrm{129707}}^1$

素因数の和:131651

約数の個数: 16

約数和(自身を含む): 31084781616

約数和(自身を除く): 10865795042

約数列:

[1, 2, 41, 82, 1901, 3802, 77941, 129707, 155882, 259414, 5317987, 10635974, 246573007, 493146014, 10109493287, 20218986574]

約数ペア:

[(1, 20218986574), (2, 10109493287), (41, 493146014), (82, 246573007), (1901, 10635974), (3802, 5317987), (77941, 259414), (129707, 155882)]