20283555

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28771}}^1$

素因数の和:28826

約数の個数: 16

約数和(自身を含む): 33145344

約数和(自身を除く): 12861789

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28771, 86313, 143855, 431565, 1352237, 4056711, 6761185, 20283555]

約数ペア:

[(1, 20283555), (3, 6761185), (5, 4056711), (15, 1352237), (47, 431565), (141, 143855), (235, 86313), (705, 28771)]