20408316

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39551}}^1$

素因数の和:39601

約数の個数: 24

約数和(自身を含む): 48728064

約数和(自身を除く): 28319748

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39551, 79102, 118653, 158204, 237306, 474612, 1700693, 3401386, 5102079, 6802772, 10204158, 20408316]

約数ペア:

[(1, 20408316), (2, 10204158), (3, 6802772), (4, 5102079), (6, 3401386), (12, 1700693), (43, 474612), (86, 237306), (129, 158204), (172, 118653), (258, 79102), (516, 39551)]