20501172

素因数分解:

$2^2\times 3^2\times {\mathrm{613}}^1\times {\mathrm{929}}^1$

素因数の和:1552

約数の個数: 36

約数和(自身を含む): 51962820

約数和(自身を除く): 31461648

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 613, 929, 1226, 1839, 1858, 2452, 2787, 3678, 3716, 5517, 5574, 7356, 8361, 11034, 11148, 16722, 22068, 33444, 569477, 1138954, 1708431, 2277908, 3416862, 5125293, 6833724, 10250586, 20501172]

約数ペア:

[(1, 20501172), (2, 10250586), (3, 6833724), (4, 5125293), (6, 3416862), (9, 2277908), (12, 1708431), (18, 1138954), (36, 569477), (613, 33444), (929, 22068), (1226, 16722), (1839, 11148), (1858, 11034), (2452, 8361), (2787, 7356), (3678, 5574), (3716, 5517)]