20472729

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1019}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 28217280

約数和(自身を除く): 7744551

約数列:

[1, 3, 37, 111, 181, 543, 1019, 3057, 6697, 20091, 37703, 113109, 184439, 553317, 6824243, 20472729]

約数ペア:

[(1, 20472729), (3, 6824243), (37, 553317), (111, 184439), (181, 113109), (543, 37703), (1019, 20091), (3057, 6697)]