20528075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1879}}^1$

素因数の和:1931

約数の個数: 24

約数和(自身を含む): 27974400

約数和(自身を除く): 7446325

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 1879, 2185, 9395, 10925, 35701, 43217, 46975, 178505, 216085, 821123, 892525, 1080425, 4105615, 20528075]

約数ペア:

[(1, 20528075), (5, 4105615), (19, 1080425), (23, 892525), (25, 821123), (95, 216085), (115, 178505), (437, 46975), (475, 43217), (575, 35701), (1879, 10925), (2185, 9395)]