20977086

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{268937}}^1$

素因数の和:268955

約数の個数: 16

約数和(自身を含む): 45181584

約数和(自身を除く): 24204498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 268937, 537874, 806811, 1613622, 3496181, 6992362, 10488543, 20977086]

約数ペア:

[(1, 20977086), (2, 10488543), (3, 6992362), (6, 3496181), (13, 1613622), (26, 806811), (39, 537874), (78, 268937)]