20797046949

素因数分解:

$3^1\times 7^1\times {\mathrm{45161}}^1\times {\mathrm{21929}}^1$

素因数の和:67100

約数の個数: 16

約数和(自身を含む): 31692885120

約数和(自身を除く): 10895838171

約数列:

[1, 3, 7, 21, 21929, 45161, 65787, 135483, 153503, 316127, 460509, 948381, 990335569, 2971006707, 6932348983, 20797046949]

約数ペア:

[(1, 20797046949), (3, 6932348983), (7, 2971006707), (21, 990335569), (21929, 948381), (45161, 460509), (65787, 316127), (135483, 153503)]