20139015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 14858745

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 743, 1807, 2085, 2229, 3715, 5421, 9035, 9659, 11145, 27105, 28977, 48295, 103277, 144885, 309831, 516385, 1342601, 1549155, 4027803, 6713005, 20139015]

約数ペア:

[(1, 20139015), (3, 6713005), (5, 4027803), (13, 1549155), (15, 1342601), (39, 516385), (65, 309831), (139, 144885), (195, 103277), (417, 48295), (695, 28977), (743, 27105), (1807, 11145), (2085, 9659), (2229, 9035), (3715, 5421)]