20550474

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3793}}^1$

素因数の和:3851

約数の個数: 48

約数和(自身を含む): 52084032

約数和(自身を除く): 31533558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 3793, 5418, 7586, 11379, 22758, 26551, 34137, 53102, 68274, 79653, 159306, 163099, 238959, 326198, 477918, 489297, 978594, 1141693, 1467891, 2283386, 2935782, 3425079, 6850158, 10275237, 20550474]

約数ペア:

[(1, 20550474), (2, 10275237), (3, 6850158), (6, 3425079), (7, 2935782), (9, 2283386), (14, 1467891), (18, 1141693), (21, 978594), (42, 489297), (43, 477918), (63, 326198), (86, 238959), (126, 163099), (129, 159306), (258, 79653), (301, 68274), (387, 53102), (602, 34137), (774, 26551), (903, 22758), (1806, 11379), (2709, 7586), (3793, 5418)]