20956359

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7753}}^1$

素因数の和:7826

約数の個数: 16

約数和(自身を含む): 30147552

約数和(自身を除く): 9191193

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7753, 23259, 131801, 395403, 410909, 1232727, 6985453, 20956359]

約数ペア:

[(1, 20956359), (3, 6985453), (17, 1232727), (51, 410909), (53, 395403), (159, 131801), (901, 23259), (2703, 7753)]