20767138

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 37384704

約数和(自身を除く): 16617566

約数列:

[1, 2, 7, 14, 37, 47, 74, 94, 259, 329, 518, 658, 853, 1706, 1739, 3478, 5971, 11942, 12173, 24346, 31561, 40091, 63122, 80182, 220927, 280637, 441854, 561274, 1483367, 2966734, 10383569, 20767138]

約数ペア:

[(1, 20767138), (2, 10383569), (7, 2966734), (14, 1483367), (37, 561274), (47, 441854), (74, 280637), (94, 220927), (259, 80182), (329, 63122), (518, 40091), (658, 31561), (853, 24346), (1706, 12173), (1739, 11942), (3478, 5971)]