20782641

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17021}}^1$

素因数の和:17072

約数の個数: 16

約数和(自身を含む): 31048128

約数和(自身を除く): 10265487

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17021, 51063, 187231, 561693, 629777, 1889331, 6927547, 20782641]

約数ペア:

[(1, 20782641), (3, 6927547), (11, 1889331), (33, 629777), (37, 561693), (111, 187231), (407, 51063), (1221, 17021)]