20428683

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3943}}^1$

素因数の和:4114

約数の個数: 16

約数和(自身を含む): 29911296

約数和(自身を除く): 9482613

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3943, 5181, 11829, 43373, 130119, 619051, 1857153, 6809561, 20428683]

約数ペア:

[(1, 20428683), (3, 6809561), (11, 1857153), (33, 619051), (157, 130119), (471, 43373), (1727, 11829), (3943, 5181)]