20208685

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30389}}^1$

素因数の和:30420

約数の個数: 16

約数和(自身を含む): 29174400

約数和(自身を除く): 8965715

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30389, 151945, 212723, 577391, 1063615, 2886955, 4041737, 20208685]

約数ペア:

[(1, 20208685), (5, 4041737), (7, 2886955), (19, 1063615), (35, 577391), (95, 212723), (133, 151945), (665, 30389)]