20430901617

素因数分解:

$3^1\times 7^1\times {\mathrm{3923}}^1\times {\mathrm{247999}}^1$

素因数の和:251932

約数の個数: 16

約数和(自身を含む): 31140864000

約数和(自身を除く): 10709962383

約数列:

[1, 3, 7, 21, 3923, 11769, 27461, 82383, 247999, 743997, 1735993, 5207979, 972900077, 2918700231, 6810300539, 20430901617]

約数ペア:

[(1, 20430901617), (3, 6810300539), (7, 2918700231), (21, 972900077), (3923, 5207979), (11769, 1735993), (27461, 743997), (82383, 247999)]