20782718

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:728

約数の個数: 24

約数和(自身を含む): 34547016

約数和(自身を除く): 13764298

約数列:

[1, 2, 11, 22, 121, 157, 242, 314, 547, 1094, 1727, 3454, 6017, 12034, 18997, 37994, 66187, 85879, 132374, 171758, 944669, 1889338, 10391359, 20782718]

約数ペア:

[(1, 20782718), (2, 10391359), (11, 1889338), (22, 944669), (121, 171758), (157, 132374), (242, 85879), (314, 66187), (547, 37994), (1094, 18997), (1727, 12034), (3454, 6017)]