20457746

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:937

約数の個数: 16

約数和(自身を含む): 31239648

約数和(自身を除く): 10781902

約数列:

[1, 2, 113, 131, 226, 262, 691, 1382, 14803, 29606, 78083, 90521, 156166, 181042, 10228873, 20457746]

約数ペア:

[(1, 20457746), (2, 10228873), (113, 181042), (131, 156166), (226, 90521), (262, 78083), (691, 29606), (1382, 14803)]