20419845

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33203}}^1$

素因数の和:33252

約数の個数: 16

約数和(自身を含む): 33469632

約数和(自身を除く): 13049787

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33203, 99609, 166015, 498045, 1361323, 4083969, 6806615, 20419845]

約数ペア:

[(1, 20419845), (3, 6806615), (5, 4083969), (15, 1361323), (41, 498045), (123, 166015), (205, 99609), (615, 33203)]