20920701

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 28949760

約数和(自身を除く): 8029059

約数列:

[1, 3, 41, 79, 123, 237, 2153, 3239, 6459, 9717, 88273, 170087, 264819, 510261, 6973567, 20920701]

約数ペア:

[(1, 20920701), (3, 6973567), (41, 510261), (79, 264819), (123, 170087), (237, 88273), (2153, 9717), (3239, 6459)]