20185386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258787}}^1$

素因数の和:258805

約数の個数: 16

約数和(自身を含む): 43476384

約数和(自身を除く): 23290998

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258787, 517574, 776361, 1552722, 3364231, 6728462, 10092693, 20185386]

約数ペア:

[(1, 20185386), (2, 10092693), (3, 6728462), (6, 3364231), (13, 1552722), (26, 776361), (39, 517574), (78, 258787)]