20325102

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 47647440

約数和(自身を除く): 27322338

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 257, 269, 294, 514, 538, 771, 807, 1542, 1614, 1799, 1883, 3598, 3766, 5397, 5649, 10794, 11298, 12593, 13181, 25186, 26362, 37779, 39543, 69133, 75558, 79086, 138266, 207399, 414798, 483931, 967862, 1451793, 2903586, 3387517, 6775034, 10162551, 20325102]

約数ペア:

[(1, 20325102), (2, 10162551), (3, 6775034), (6, 3387517), (7, 2903586), (14, 1451793), (21, 967862), (42, 483931), (49, 414798), (98, 207399), (147, 138266), (257, 79086), (269, 75558), (294, 69133), (514, 39543), (538, 37779), (771, 26362), (807, 25186), (1542, 13181), (1614, 12593), (1799, 11298), (1883, 10794), (3598, 5649), (3766, 5397)]