20246745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79399}}^1$

素因数の和:79424

約数の個数: 16

約数和(自身を含む): 34300800

約数和(自身を除く): 14054055

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79399, 238197, 396995, 1190985, 1349783, 4049349, 6748915, 20246745]

約数ペア:

[(1, 20246745), (3, 6748915), (5, 4049349), (15, 1349783), (17, 1190985), (51, 396995), (85, 238197), (255, 79399)]