20147227025

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{9709507}}^1$

素因数の和:9709600

約数の個数: 12

約数和(自身を含む): 25283558832

約数和(自身を除く): 5136331807

約数列:

[1, 5, 25, 83, 415, 2075, 9709507, 48547535, 242737675, 805889081, 4029445405, 20147227025]

約数ペア:

[(1, 20147227025), (5, 4029445405), (25, 805889081), (83, 242737675), (415, 48547535), (2075, 9709507)]