20165655415

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^2\times {\mathrm{653}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 26289701280

約数和(自身を除く): 6124045865

約数列:

[1, 5, 19, 61, 73, 95, 305, 365, 653, 1159, 1387, 3265, 4453, 5329, 5795, 6935, 12407, 22265, 26645, 39833, 47669, 62035, 84607, 101251, 199165, 238345, 325069, 423035, 506255, 756827, 905711, 1625345, 2907809, 3479837, 3784135, 4528555, 6176311, 14539045, 17399185, 30881555, 55248371, 66116903, 212270057, 276241855, 330584515, 1061350285, 4033131083, 20165655415]

約数ペア:

[(1, 20165655415), (5, 4033131083), (19, 1061350285), (61, 330584515), (73, 276241855), (95, 212270057), (305, 66116903), (365, 55248371), (653, 30881555), (1159, 17399185), (1387, 14539045), (3265, 6176311), (4453, 4528555), (5329, 3784135), (5795, 3479837), (6935, 2907809), (12407, 1625345), (22265, 905711), (26645, 756827), (39833, 506255), (47669, 423035), (62035, 325069), (84607, 238345), (101251, 199165)]