20580725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1117}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 28280928

約数和(自身を除く): 7700203

約数列:

[1, 5, 11, 25, 55, 67, 275, 335, 737, 1117, 1675, 3685, 5585, 12287, 18425, 27925, 61435, 74839, 307175, 374195, 823229, 1870975, 4116145, 20580725]

約数ペア:

[(1, 20580725), (5, 4116145), (11, 1870975), (25, 823229), (55, 374195), (67, 307175), (275, 74839), (335, 61435), (737, 27925), (1117, 18425), (1675, 12287), (3685, 5585)]