20179242545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{109423}}^1$

素因数の和:109925

約数の個数: 32

約数和(自身を含む): 30253547520

約数和(自身を除く): 10074304975

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 479, 2395, 3353, 5269, 16765, 26345, 36883, 109423, 184415, 547115, 765961, 1203653, 3829805, 6018265, 8425571, 42127855, 52413617, 262068085, 366895319, 576549787, 1834476595, 2882748935, 4035848509, 20179242545]

約数ペア:

[(1, 20179242545), (5, 4035848509), (7, 2882748935), (11, 1834476595), (35, 576549787), (55, 366895319), (77, 262068085), (385, 52413617), (479, 42127855), (2395, 8425571), (3353, 6018265), (5269, 3829805), (16765, 1203653), (26345, 765961), (36883, 547115), (109423, 184415)]