20344964

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 36456000

約数和(自身を除く): 16111036

約数列:

[1, 2, 4, 61, 122, 199, 244, 398, 419, 796, 838, 1676, 12139, 24278, 25559, 48556, 51118, 83381, 102236, 166762, 333524, 5086241, 10172482, 20344964]

約数ペア:

[(1, 20344964), (2, 10172482), (4, 5086241), (61, 333524), (122, 166762), (199, 102236), (244, 83381), (398, 51118), (419, 48556), (796, 25559), (838, 24278), (1676, 12139)]