20761743

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7681}}^1$

素因数の和:7754

約数の個数: 16

約数和(自身を含む): 29867616

約数和(自身を除く): 9105873

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7681, 23043, 130577, 391731, 407093, 1221279, 6920581, 20761743]

約数ペア:

[(1, 20761743), (3, 6920581), (17, 1221279), (51, 407093), (53, 391731), (159, 130577), (901, 23043), (2703, 7681)]