20153721

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56453}}^1$

素因数の和:56480

約数の個数: 16

約数和(自身を含む): 32517504

約数和(自身を除く): 12363783

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56453, 169359, 395171, 959701, 1185513, 2879103, 6717907, 20153721]

約数ペア:

[(1, 20153721), (3, 6717907), (7, 2879103), (17, 1185513), (21, 959701), (51, 395171), (119, 169359), (357, 56453)]