20197986

素因数分解:

$2^1\times 3^1\times {\mathrm{1613}}^1\times {\mathrm{2087}}^1$

素因数の和:3705

約数の個数: 16

約数和(自身を含む): 40440384

約数和(自身を除く): 20242398

約数列:

[1, 2, 3, 6, 1613, 2087, 3226, 4174, 4839, 6261, 9678, 12522, 3366331, 6732662, 10098993, 20197986]

約数ペア:

[(1, 20197986), (2, 10098993), (3, 6732662), (6, 3366331), (1613, 12522), (2087, 9678), (3226, 6261), (4174, 4839)]