20357295

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27697}}^1$

素因数の和:27719

約数の個数: 24

約数和(自身を含む): 37890864

約数和(自身を除く): 17533569

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27697, 83091, 138485, 193879, 415455, 581637, 969395, 1357153, 2908185, 4071459, 6785765, 20357295]

約数ペア:

[(1, 20357295), (3, 6785765), (5, 4071459), (7, 2908185), (15, 1357153), (21, 969395), (35, 581637), (49, 415455), (105, 193879), (147, 138485), (245, 83091), (735, 27697)]