20603817

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{769}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 32232200

約数和(自身を除く): 11628383

約数列:

[1, 3, 9, 13, 39, 117, 229, 687, 769, 2061, 2307, 2977, 6921, 8931, 9997, 26793, 29991, 89973, 176101, 528303, 1584909, 2289313, 6867939, 20603817]

約数ペア:

[(1, 20603817), (3, 6867939), (9, 2289313), (13, 1584909), (39, 528303), (117, 176101), (229, 89973), (687, 29991), (769, 26793), (2061, 9997), (2307, 8931), (2977, 6921)]