20031275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3167}}^1$

素因数の和:3211

約数の個数: 24

約数和(自身を含む): 28283904

約数和(自身を除く): 8252629

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 3167, 6325, 15835, 34837, 72841, 79175, 174185, 364205, 801251, 870925, 1821025, 4006255, 20031275]

約数ペア:

[(1, 20031275), (5, 4006255), (11, 1821025), (23, 870925), (25, 801251), (55, 364205), (115, 174185), (253, 79175), (275, 72841), (575, 34837), (1265, 15835), (3167, 6325)]