20027955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78541}}^1$

素因数の和:78566

約数の個数: 16

約数和(自身を含む): 33930144

約数和(自身を除く): 13902189

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78541, 235623, 392705, 1178115, 1335197, 4005591, 6675985, 20027955]

約数ペア:

[(1, 20027955), (3, 6675985), (5, 4005591), (15, 1335197), (17, 1178115), (51, 392705), (85, 235623), (255, 78541)]