20972034

素因数分解:

$2^1\times 3^4\times {\mathrm{129457}}^1$

素因数の和:129471

約数の個数: 20

約数和(自身を含む): 46993254

約数和(自身を除く): 26021220

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129457, 258914, 388371, 776742, 1165113, 2330226, 3495339, 6990678, 10486017, 20972034]

約数ペア:

[(1, 20972034), (2, 10486017), (3, 6990678), (6, 3495339), (9, 2330226), (18, 1165113), (27, 776742), (54, 388371), (81, 258914), (162, 129457)]