20989078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{1291}}^1$

素因数の和:2043

約数の個数: 16

約数和(自身を含む): 34418880

約数和(自身を除く): 13429802

約数列:

[1, 2, 11, 22, 739, 1291, 1478, 2582, 8129, 14201, 16258, 28402, 954049, 1908098, 10494539, 20989078]

約数ペア:

[(1, 20989078), (2, 10494539), (11, 1908098), (22, 954049), (739, 28402), (1291, 16258), (1478, 14201), (2582, 8129)]