20100919

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 22472640

約数和(自身を除く): 2371721

約数列:

[1, 17, 23, 101, 391, 509, 1717, 2323, 8653, 11707, 39491, 51409, 199019, 873953, 1182407, 20100919]

約数ペア:

[(1, 20100919), (17, 1182407), (23, 873953), (101, 199019), (391, 51409), (509, 39491), (1717, 11707), (2323, 8653)]