20095551

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{233}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 34240752

約数和(自身を除く): 14145201

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 233, 259, 333, 699, 777, 1369, 1631, 2097, 2331, 4107, 4893, 8621, 9583, 12321, 14679, 25863, 28749, 60347, 77589, 86247, 181041, 318977, 543123, 956931, 2232839, 2870793, 6698517, 20095551]

約数ペア:

[(1, 20095551), (3, 6698517), (7, 2870793), (9, 2232839), (21, 956931), (37, 543123), (63, 318977), (111, 181041), (233, 86247), (259, 77589), (333, 60347), (699, 28749), (777, 25863), (1369, 14679), (1631, 12321), (2097, 9583), (2331, 8621), (4107, 4893)]