20213106315

素因数分解:

$3^1\times 5^1\times {\mathrm{2087}}^1\times {\mathrm{645683}}^1$

素因数の和:647778

約数の個数: 16

約数和(自身を含む): 32356516608

約数和(自身を除く): 12143410293

約数列:

[1, 3, 5, 15, 2087, 6261, 10435, 31305, 645683, 1937049, 3228415, 9685245, 1347540421, 4042621263, 6737702105, 20213106315]

約数ペア:

[(1, 20213106315), (3, 6737702105), (5, 4042621263), (15, 1347540421), (2087, 9685245), (6261, 3228415), (10435, 1937049), (31305, 645683)]