20991369228

素因数分解:

$2^2\times 3^1\times {\mathrm{571}}^1\times {\mathrm{3063539}}^1$

素因数の和:3064117

約数の個数: 24

約数和(自身を含む): 49065656640

約数和(自身を除く): 28074287412

約数列:

[1, 2, 3, 4, 6, 12, 571, 1142, 1713, 2284, 3426, 6852, 3063539, 6127078, 9190617, 12254156, 18381234, 36762468, 1749280769, 3498561538, 5247842307, 6997123076, 10495684614, 20991369228]

約数ペア:

[(1, 20991369228), (2, 10495684614), (3, 6997123076), (4, 5247842307), (6, 3498561538), (12, 1749280769), (571, 36762468), (1142, 18381234), (1713, 12254156), (2284, 9190617), (3426, 6127078), (6852, 3063539)]