20124629

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{449}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 24336000

約数和(自身を除く): 4211371

約数列:

[1, 7, 19, 133, 337, 449, 2359, 3143, 6403, 8531, 44821, 59717, 151313, 1059191, 2874947, 20124629]

約数ペア:

[(1, 20124629), (7, 2874947), (19, 1059191), (133, 151313), (337, 59717), (449, 44821), (2359, 8531), (3143, 6403)]