20992218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269131}}^1$

素因数の和:269149

約数の個数: 16

約数和(自身を含む): 45214176

約数和(自身を除く): 24221958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269131, 538262, 807393, 1614786, 3498703, 6997406, 10496109, 20992218]

約数ペア:

[(1, 20992218), (2, 10496109), (3, 6997406), (6, 3498703), (13, 1614786), (26, 807393), (39, 538262), (78, 269131)]