20188940877

素因数分解:

$3^3\times 7^1\times {\mathrm{10957}}^1\times {\mathrm{9749}}^1$

素因数の和:20722

約数の個数: 32

約数和(自身を含む): 34188960000

約数和(自身を除く): 14000019123

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 9749, 10957, 29247, 32871, 68243, 76699, 87741, 98613, 204729, 230097, 263223, 295839, 614187, 690291, 1842561, 2070873, 106819793, 320459379, 747738551, 961378137, 2243215653, 2884134411, 6729646959, 20188940877]

約数ペア:

[(1, 20188940877), (3, 6729646959), (7, 2884134411), (9, 2243215653), (21, 961378137), (27, 747738551), (63, 320459379), (189, 106819793), (9749, 2070873), (10957, 1842561), (29247, 690291), (32871, 614187), (68243, 295839), (76699, 263223), (87741, 230097), (98613, 204729)]