20409714

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87221}}^1$

素因数の和:87242

約数の個数: 24

約数和(自身を含む): 47623212

約数和(自身を除く): 27213498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87221, 174442, 261663, 523326, 784989, 1133873, 1569978, 2267746, 3401619, 6803238, 10204857, 20409714]

約数ペア:

[(1, 20409714), (2, 10204857), (3, 6803238), (6, 3401619), (9, 2267746), (13, 1569978), (18, 1133873), (26, 784989), (39, 523326), (78, 261663), (117, 174442), (234, 87221)]