20119971

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{4421}}^1$

素因数の和:4502

約数の個数: 16

約数和(自身を含む): 28230048

約数和(自身を除く): 8110077

約数列:

[1, 3, 37, 41, 111, 123, 1517, 4421, 4551, 13263, 163577, 181261, 490731, 543783, 6706657, 20119971]

約数ペア:

[(1, 20119971), (3, 6706657), (37, 543783), (41, 490731), (111, 181261), (123, 163577), (1517, 13263), (4421, 4551)]