20131087879

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2131853}}^1$

素因数の和:2131950

約数の個数: 16

約数和(自身を含む): 24558958080

約数和(自身を除く): 4427870201

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 2131853, 14922971, 40505207, 151361563, 283536449, 1059530941, 2875869697, 20131087879]

約数ペア:

[(1, 20131087879), (7, 2875869697), (19, 1059530941), (71, 283536449), (133, 151361563), (497, 40505207), (1349, 14922971), (9443, 2131853)]