20880244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6163}}^1$

素因数の和:6196

約数の個数: 36

約数和(自身を含む): 45909472

約数和(自身を除く): 25029228

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6163, 12326, 24652, 43141, 67793, 86282, 135586, 172564, 271172, 474551, 745723, 949102, 1491446, 1898204, 2982892, 5220061, 10440122, 20880244]

約数ペア:

[(1, 20880244), (2, 10440122), (4, 5220061), (7, 2982892), (11, 1898204), (14, 1491446), (22, 949102), (28, 745723), (44, 474551), (77, 271172), (121, 172564), (154, 135586), (242, 86282), (308, 67793), (484, 43141), (847, 24652), (1694, 12326), (3388, 6163)]