20438254

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1211

約数の個数: 16

約数和(自身を含む): 31552416

約数和(自身を除く): 11114162

約数列:

[1, 2, 41, 82, 281, 562, 887, 1774, 11521, 23042, 36367, 72734, 249247, 498494, 10219127, 20438254]

約数ペア:

[(1, 20438254), (2, 10219127), (41, 498494), (82, 249247), (281, 72734), (562, 36367), (887, 23042), (1774, 11521)]