20812528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{118253}}^1$

素因数の和:118272

約数の個数: 20

約数和(自身を含む): 43990488

約数和(自身を除く): 23177960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118253, 236506, 473012, 946024, 1300783, 1892048, 2601566, 5203132, 10406264, 20812528]

約数ペア:

[(1, 20812528), (2, 10406264), (4, 5203132), (8, 2601566), (11, 1892048), (16, 1300783), (22, 946024), (44, 473012), (88, 236506), (176, 118253)]