20579075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{6803}}^1$

素因数の和:6835

約数の個数: 18

約数和(自身を含む): 28052892

約数和(自身を除く): 7473817

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 6803, 34015, 74833, 170075, 374165, 823163, 1870825, 4115815, 20579075]

約数ペア:

[(1, 20579075), (5, 4115815), (11, 1870825), (25, 823163), (55, 374165), (121, 170075), (275, 74833), (605, 34015), (3025, 6803)]