20542053

素因数分解:

$3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{2819}}^1$

素因数の和:3176

約数の個数: 16

約数和(自身を含む): 31403520

約数和(自身を除く): 10861467

約数列:

[1, 3, 7, 21, 347, 1041, 2429, 2819, 7287, 8457, 19733, 59199, 978193, 2934579, 6847351, 20542053]

約数ペア:

[(1, 20542053), (3, 6847351), (7, 2934579), (21, 978193), (347, 59199), (1041, 19733), (2429, 8457), (2819, 7287)]