20175363621

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4510477}}^1$

素因数の和:4510561

約数の個数: 24

約数和(自身を含む): 33774459264

約数和(自身を除く): 13599095643

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 4510477, 13531431, 31573339, 40594293, 94720017, 284160051, 320243867, 960731601, 2241707069, 2882194803, 6725121207, 20175363621]

約数ペア:

[(1, 20175363621), (3, 6725121207), (7, 2882194803), (9, 2241707069), (21, 960731601), (63, 320243867), (71, 284160051), (213, 94720017), (497, 40594293), (639, 31573339), (1491, 13531431), (4473, 4510477)]