20749982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11939}}^1$

素因数の和:12031

約数の個数: 16

約数和(自身を含む): 34387200

約数和(自身を除く): 13637218

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 11939, 23878, 131329, 262658, 943181, 1886362, 10374991, 20749982]

約数ペア:

[(1, 20749982), (2, 10374991), (11, 1886362), (22, 943181), (79, 262658), (158, 131329), (869, 23878), (1738, 11939)]