20734844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1409}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 39243120

約数和(自身を除く): 18508276

約数列:

[1, 2, 4, 13, 26, 52, 283, 566, 1132, 1409, 2818, 3679, 5636, 7358, 14716, 18317, 36634, 73268, 398747, 797494, 1594988, 5183711, 10367422, 20734844]

約数ペア:

[(1, 20734844), (2, 10367422), (4, 5183711), (13, 1594988), (26, 797494), (52, 398747), (283, 73268), (566, 36634), (1132, 18317), (1409, 14716), (2818, 7358), (3679, 5636)]