20819577

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{17749}}^1$

素因数の和:17792

約数の個数: 16

約数和(自身を含む): 30672000

約数和(自身を除く): 9852423

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 17749, 53247, 301733, 408227, 905199, 1224681, 6939859, 20819577]

約数ペア:

[(1, 20819577), (3, 6939859), (17, 1224681), (23, 905199), (51, 408227), (69, 301733), (391, 53247), (1173, 17749)]