20927165

素因数分解:

$5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 29418840

約数和(自身を除く): 8491675

約数列:

[1, 5, 7, 35, 49, 229, 245, 373, 1145, 1603, 1865, 2611, 8015, 11221, 13055, 18277, 56105, 85417, 91385, 427085, 597919, 2989595, 4185433, 20927165]

約数ペア:

[(1, 20927165), (5, 4185433), (7, 2989595), (35, 597919), (49, 427085), (229, 91385), (245, 85417), (373, 56105), (1145, 18277), (1603, 13055), (1865, 11221), (2611, 8015)]