20512157890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{12653}}^1\times {\mathrm{23159}}^1$

素因数の和:35826

約数の個数: 32

約数和(自身を含む): 42201596160

約数和(自身を除く): 21689438270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 12653, 23159, 25306, 46318, 63265, 88571, 115795, 126530, 162113, 177142, 231590, 324226, 442855, 810565, 885710, 1621130, 293030827, 586061654, 1465154135, 2051215789, 2930308270, 4102431578, 10256078945, 20512157890]

約数ペア:

[(1, 20512157890), (2, 10256078945), (5, 4102431578), (7, 2930308270), (10, 2051215789), (14, 1465154135), (35, 586061654), (70, 293030827), (12653, 1621130), (23159, 885710), (25306, 810565), (46318, 442855), (63265, 324226), (88571, 231590), (115795, 177142), (126530, 162113)]