20096307

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 37020672

約数和(自身を除く): 16924365

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 99, 141, 231, 329, 423, 517, 617, 693, 987, 1551, 1851, 2961, 3619, 4319, 4653, 5553, 6787, 10857, 12957, 20361, 28999, 32571, 38871, 47509, 61083, 86997, 142527, 202993, 260991, 318989, 427581, 608979, 956967, 1826937, 2232923, 2870901, 6698769, 20096307]

約数ペア:

[(1, 20096307), (3, 6698769), (7, 2870901), (9, 2232923), (11, 1826937), (21, 956967), (33, 608979), (47, 427581), (63, 318989), (77, 260991), (99, 202993), (141, 142527), (231, 86997), (329, 61083), (423, 47509), (517, 38871), (617, 32571), (693, 28999), (987, 20361), (1551, 12957), (1851, 10857), (2961, 6787), (3619, 5553), (4319, 4653)]