20080116

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{26561}}^1$

素因数の和:26581

約数の個数: 48

約数和(自身を含む): 59498880

約数和(自身を除く): 39418764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 26561, 53122, 79683, 106244, 159366, 185927, 239049, 318732, 371854, 478098, 557781, 717147, 743708, 956196, 1115562, 1434294, 1673343, 2231124, 2868588, 3346686, 5020029, 6693372, 10040058, 20080116]

約数ペア:

[(1, 20080116), (2, 10040058), (3, 6693372), (4, 5020029), (6, 3346686), (7, 2868588), (9, 2231124), (12, 1673343), (14, 1434294), (18, 1115562), (21, 956196), (27, 743708), (28, 717147), (36, 557781), (42, 478098), (54, 371854), (63, 318732), (84, 239049), (108, 185927), (126, 159366), (189, 106244), (252, 79683), (378, 53122), (756, 26561)]