20188273

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3389}}^1$

素因数の和:3456

約数の個数: 16

約数和(自身を含む): 24733440

約数和(自身を除く): 4545167

約数列:

[1, 7, 23, 37, 161, 259, 851, 3389, 5957, 23723, 77947, 125393, 545629, 877751, 2884039, 20188273]

約数ペア:

[(1, 20188273), (7, 2884039), (23, 877751), (37, 545629), (161, 125393), (259, 77947), (851, 23723), (3389, 5957)]