20685225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25073}}^1$

素因数の和:25097

約数の個数: 24

約数和(自身を含む): 37310112

約数和(自身を除く): 16624887

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25073, 75219, 125365, 275803, 376095, 626825, 827409, 1379015, 1880475, 4137045, 6895075, 20685225]

約数ペア:

[(1, 20685225), (3, 6895075), (5, 4137045), (11, 1880475), (15, 1379015), (25, 827409), (33, 626825), (55, 376095), (75, 275803), (165, 125365), (275, 75219), (825, 25073)]