20030945

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 26745768

約数和(自身を除く): 6714823

約数列:

[1, 5, 11, 55, 113, 121, 293, 565, 605, 1243, 1465, 3223, 6215, 13673, 16115, 33109, 35453, 68365, 165545, 177265, 364199, 1820995, 4006189, 20030945]

約数ペア:

[(1, 20030945), (5, 4006189), (11, 1820995), (55, 364199), (113, 177265), (121, 165545), (293, 68365), (565, 35453), (605, 33109), (1243, 16115), (1465, 13673), (3223, 6215)]