20159900

素因数分解:

$2^2\times 5^2\times {\mathrm{201599}}^1$

素因数の和:201613

約数の個数: 18

約数和(自身を含む): 43747200

約数和(自身を除く): 23587300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201599, 403198, 806396, 1007995, 2015990, 4031980, 5039975, 10079950, 20159900]

約数ペア:

[(1, 20159900), (2, 10079950), (4, 5039975), (5, 4031980), (10, 2015990), (20, 1007995), (25, 806396), (50, 403198), (100, 201599)]