20744464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99733}}^1$

素因数の和:99754

約数の個数: 20

約数和(自身を含む): 43284556

約数和(自身を除く): 22540092

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99733, 199466, 398932, 797864, 1296529, 1595728, 2593058, 5186116, 10372232, 20744464]

約数ペア:

[(1, 20744464), (2, 10372232), (4, 5186116), (8, 2593058), (13, 1595728), (16, 1296529), (26, 797864), (52, 398932), (104, 199466), (208, 99733)]