200720945

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{3137}}^1$

素因数の和:3400

約数の個数: 16

約数和(自身を含む): 245818368

約数和(自身を除く): 45097423

約数列:

[1, 5, 67, 191, 335, 955, 3137, 12797, 15685, 63985, 210179, 599167, 1050895, 2995835, 40144189, 200720945]

約数ペア:

[(1, 200720945), (5, 40144189), (67, 2995835), (191, 1050895), (335, 599167), (955, 210179), (3137, 63985), (12797, 15685)]