20837418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{907}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 47768064

約数和(自身を除く): 26930646

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 547, 907, 1094, 1641, 1814, 2721, 3282, 3829, 5442, 6349, 7658, 11487, 12698, 19047, 22974, 38094, 496129, 992258, 1488387, 2976774, 3472903, 6945806, 10418709, 20837418]

約数ペア:

[(1, 20837418), (2, 10418709), (3, 6945806), (6, 3472903), (7, 2976774), (14, 1488387), (21, 992258), (42, 496129), (547, 38094), (907, 22974), (1094, 19047), (1641, 12698), (1814, 11487), (2721, 7658), (3282, 6349), (3829, 5442)]