20338419

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 28808560

約数和(自身を除く): 8470141

約数列:

[1, 3, 37, 41, 109, 111, 123, 327, 1517, 1681, 4033, 4469, 4551, 5043, 12099, 13407, 62197, 165353, 183229, 186591, 496059, 549687, 6779473, 20338419]

約数ペア:

[(1, 20338419), (3, 6779473), (37, 549687), (41, 496059), (109, 186591), (111, 183229), (123, 165353), (327, 62197), (1517, 13407), (1681, 12099), (4033, 5043), (4469, 4551)]