20886019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7331}}^1$

素因数の和:7386

約数の個数: 16

約数和(自身を含む): 26747136

約数和(自身を除く): 5861117

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7331, 51317, 80641, 271247, 564487, 1898729, 2983717, 20886019]

約数ペア:

[(1, 20886019), (7, 2983717), (11, 1898729), (37, 564487), (77, 271247), (259, 80641), (407, 51317), (2849, 7331)]