20804075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 27269088

約数和(自身を除く): 6465013

約数列:

[1, 5, 23, 25, 97, 115, 373, 485, 575, 1865, 2231, 2425, 8579, 9325, 11155, 36181, 42895, 55775, 180905, 214475, 832163, 904525, 4160815, 20804075]

約数ペア:

[(1, 20804075), (5, 4160815), (23, 904525), (25, 832163), (97, 214475), (115, 180905), (373, 55775), (485, 42895), (575, 36181), (1865, 11155), (2231, 9325), (2425, 8579)]