20693709

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4363}}^1$

素因数の和:4417

約数の個数: 24

約数和(自身を含む): 32677632

約数和(自身を除く): 11983923

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4363, 4743, 13089, 39267, 74171, 135253, 222513, 405759, 667539, 1217277, 2299301, 6897903, 20693709]

約数ペア:

[(1, 20693709), (3, 6897903), (9, 2299301), (17, 1217277), (31, 667539), (51, 405759), (93, 222513), (153, 135253), (279, 74171), (527, 39267), (1581, 13089), (4363, 4743)]