20071550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9791}}^1$

素因数の和:9844

約数の個数: 24

約数和(自身を含む): 38247552

約数和(自身を除く): 18176002

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 9791, 19582, 48955, 97910, 244775, 401431, 489550, 802862, 2007155, 4014310, 10035775, 20071550]

約数ペア:

[(1, 20071550), (2, 10035775), (5, 4014310), (10, 2007155), (25, 802862), (41, 489550), (50, 401431), (82, 244775), (205, 97910), (410, 48955), (1025, 19582), (2050, 9791)]