20686146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{265207}}^1$

素因数の和:265225

約数の個数: 16

約数和(自身を含む): 44554944

約数和(自身を除く): 23868798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 265207, 530414, 795621, 1591242, 3447691, 6895382, 10343073, 20686146]

約数ペア:

[(1, 20686146), (2, 10343073), (3, 6895382), (6, 3447691), (13, 1591242), (26, 795621), (39, 530414), (78, 265207)]