20131408515

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18902731}}^1$

素因数の和:18902810

約数の個数: 16

約数和(自身を含む): 32663920896

約数和(自身を除く): 12532512381

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18902731, 56708193, 94513655, 283540965, 1342093901, 4026281703, 6710469505, 20131408515]

約数ペア:

[(1, 20131408515), (3, 6710469505), (5, 4026281703), (15, 1342093901), (71, 283540965), (213, 94513655), (355, 56708193), (1065, 18902731)]