20806025

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 26914944

約数和(自身を除く): 6108919

約数列:

[1, 5, 25, 37, 83, 185, 271, 415, 925, 1355, 2075, 3071, 6775, 10027, 15355, 22493, 50135, 76775, 112465, 250675, 562325, 832241, 4161205, 20806025]

約数ペア:

[(1, 20806025), (5, 4161205), (25, 832241), (37, 562325), (83, 250675), (185, 112465), (271, 76775), (415, 50135), (925, 22493), (1355, 15355), (2075, 10027), (3071, 6775)]