20481891

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2939}}^1$

素因数の和:3066

約数の個数: 16

約数和(自身を含む): 28788480

約数和(自身を除く): 8306589

約数列:

[1, 3, 23, 69, 101, 303, 2323, 2939, 6969, 8817, 67597, 202791, 296839, 890517, 6827297, 20481891]

約数ペア:

[(1, 20481891), (3, 6827297), (23, 890517), (69, 296839), (101, 202791), (303, 67597), (2323, 8817), (2939, 6969)]