20297116

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42641}}^1$

素因数の和:42669

約数の個数: 24

約数和(自身を含む): 42983136

約数和(自身を除く): 22686020

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42641, 85282, 170564, 298487, 596974, 724897, 1193948, 1449794, 2899588, 5074279, 10148558, 20297116]

約数ペア:

[(1, 20297116), (2, 10148558), (4, 5074279), (7, 2899588), (14, 1449794), (17, 1193948), (28, 724897), (34, 596974), (68, 298487), (119, 170564), (238, 85282), (476, 42641)]