20483790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4349}}^1$

素因数の和:4516

約数の個数: 32

約数和(自身を含む): 49485600

約数和(自身を除く): 29001810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4349, 4710, 8698, 13047, 21745, 26094, 43490, 65235, 130470, 682793, 1365586, 2048379, 3413965, 4096758, 6827930, 10241895, 20483790]

約数ペア:

[(1, 20483790), (2, 10241895), (3, 6827930), (5, 4096758), (6, 3413965), (10, 2048379), (15, 1365586), (30, 682793), (157, 130470), (314, 65235), (471, 43490), (785, 26094), (942, 21745), (1570, 13047), (2355, 8698), (4349, 4710)]