20265025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1249}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 27900000

約数和(自身を除く): 7634975

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1249, 1475, 3245, 6245, 13739, 16225, 31225, 68695, 73691, 343475, 368455, 810601, 1842275, 4053005, 20265025]

約数ペア:

[(1, 20265025), (5, 4053005), (11, 1842275), (25, 810601), (55, 368455), (59, 343475), (275, 73691), (295, 68695), (649, 31225), (1249, 16225), (1475, 13739), (3245, 6245)]