26820490

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19577}}^1$

素因数の和:19721

約数の個数: 16

約数和(自身を含む): 48631752

約数和(自身を除く): 21811262

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 19577, 39154, 97885, 195770, 2682049, 5364098, 13410245, 26820490]

約数ペア:

[(1, 26820490), (2, 13410245), (5, 5364098), (10, 2682049), (137, 195770), (274, 97885), (685, 39154), (1370, 19577)]