20686682007

素因数分解:

$3^2\times {\mathrm{607}}^1\times {\mathrm{3786689}}^1$

素因数の和:3787302

約数の個数: 12

約数和(自身を含む): 29929997760

約数和(自身を除く): 9243315753

約数列:

[1, 3, 9, 607, 1821, 5463, 3786689, 11360067, 34080201, 2298520223, 6895560669, 20686682007]

約数ペア:

[(1, 20686682007), (3, 6895560669), (9, 2298520223), (607, 34080201), (1821, 11360067), (5463, 3786689)]