20023225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 6225095

約数列:

[1, 5, 23, 25, 97, 115, 359, 485, 575, 1795, 2231, 2425, 8257, 8975, 11155, 34823, 41285, 55775, 174115, 206425, 800929, 870575, 4004645, 20023225]

約数ペア:

[(1, 20023225), (5, 4004645), (23, 870575), (25, 800929), (97, 206425), (115, 174115), (359, 55775), (485, 41285), (575, 34823), (1795, 11155), (2231, 8975), (2425, 8257)]