20429744

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41189}}^1$

素因数の和:41228

約数の個数: 20

約数和(自身を含む): 40860480

約数和(自身を除く): 20430736

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41189, 82378, 164756, 329512, 659024, 1276859, 2553718, 5107436, 10214872, 20429744]

約数ペア:

[(1, 20429744), (2, 10214872), (4, 5107436), (8, 2553718), (16, 1276859), (31, 659024), (62, 329512), (124, 164756), (248, 82378), (496, 41189)]