20413862

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39409}}^1$

素因数の和:39455

約数の個数: 16

約数和(自身を含む): 35941920

約数和(自身を除く): 15528058

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 39409, 78818, 275863, 551726, 1458133, 2916266, 10206931, 20413862]

約数ペア:

[(1, 20413862), (2, 10206931), (7, 2916266), (14, 1458133), (37, 551726), (74, 275863), (259, 78818), (518, 39409)]