20117381787

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{1229}}^1\times {\mathrm{14321}}^1$

素因数の和:15683

約数の個数: 24

約数和(自身を含む): 29313123840

約数和(自身を除く): 9195742053

約数列:

[1, 3, 9, 127, 381, 1143, 1229, 3687, 11061, 14321, 42963, 128889, 156083, 468249, 1404747, 1818767, 5456301, 16368903, 17600509, 52801527, 158404581, 2235264643, 6705793929, 20117381787]

約数ペア:

[(1, 20117381787), (3, 6705793929), (9, 2235264643), (127, 158404581), (381, 52801527), (1143, 17600509), (1229, 16368903), (3687, 5456301), (11061, 1818767), (14321, 1404747), (42963, 468249), (128889, 156083)]