20078745

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5333}}^1$

素因数の和:5592

約数の個数: 16

約数和(自身を含む): 32260032

約数和(自身を除く): 12181287

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 5333, 15999, 26665, 79995, 1338583, 4015749, 6692915, 20078745]

約数ペア:

[(1, 20078745), (3, 6692915), (5, 4015749), (15, 1338583), (251, 79995), (753, 26665), (1255, 15999), (3765, 5333)]