20403733424

素因数分解:

$2^4\times {\mathrm{70381}}^1\times {\mathrm{18119}}^1$

素因数の和:88508

約数の個数: 20

約数和(自身を含む): 39534977040

約数和(自身を除く): 19131243616

約数列:

[1, 2, 4, 8, 16, 18119, 36238, 70381, 72476, 140762, 144952, 281524, 289904, 563048, 1126096, 1275233339, 2550466678, 5100933356, 10201866712, 20403733424]

約数ペア:

[(1, 20403733424), (2, 10201866712), (4, 5100933356), (8, 2550466678), (16, 1275233339), (18119, 1126096), (36238, 563048), (70381, 289904), (72476, 281524), (140762, 144952)]