20542325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{733}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 27304800

約数和(自身を除く): 6762475

約数列:

[1, 5, 19, 25, 59, 95, 295, 475, 733, 1121, 1475, 3665, 5605, 13927, 18325, 28025, 43247, 69635, 216235, 348175, 821693, 1081175, 4108465, 20542325]

約数ペア:

[(1, 20542325), (5, 4108465), (19, 1081175), (25, 821693), (59, 348175), (95, 216235), (295, 69635), (475, 43247), (733, 28025), (1121, 18325), (1475, 13927), (3665, 5605)]