20700801

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19009}}^1$

素因数の和:19037

約数の個数: 18

約数和(自身を含む): 32868290

約数和(自身を除く): 12167489

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 19009, 57027, 171081, 209099, 627297, 1881891, 2300089, 6900267, 20700801]

約数ペア:

[(1, 20700801), (3, 6900267), (9, 2300089), (11, 1881891), (33, 627297), (99, 209099), (121, 171081), (363, 57027), (1089, 19009)]