20995634

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10723}}^1$

素因数の和:10825

約数の個数: 16

約数和(自身を含む): 34745760

約数和(自身を除く): 13750126

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10723, 21446, 117953, 235906, 954347, 1908694, 10497817, 20995634]

約数ペア:

[(1, 20995634), (2, 10497817), (11, 1908694), (22, 954347), (89, 235906), (178, 117953), (979, 21446), (1958, 10723)]