20018877

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{6653}}^1$

素因数の和:6732

約数の個数: 16

約数和(自身を含む): 28745280

約数和(自身を除く): 8726403

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 6653, 19959, 113101, 339303, 392527, 1177581, 6672959, 20018877]

約数ペア:

[(1, 20018877), (3, 6672959), (17, 1177581), (51, 392527), (59, 339303), (177, 113101), (1003, 19959), (3009, 6653)]