20348415

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1133

約数の個数: 40

約数和(自身を含む): 37287360

約数和(自身を除く): 16938945

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1069, 1269, 2115, 3207, 3807, 5345, 6345, 9621, 16035, 19035, 28863, 48105, 50243, 86589, 144315, 150729, 251215, 432945, 452187, 753645, 1356561, 2260935, 4069683, 6782805, 20348415]

約数ペア:

[(1, 20348415), (3, 6782805), (5, 4069683), (9, 2260935), (15, 1356561), (27, 753645), (45, 452187), (47, 432945), (81, 251215), (135, 150729), (141, 144315), (235, 86589), (405, 50243), (423, 48105), (705, 28863), (1069, 19035), (1269, 16035), (2115, 9621), (3207, 6345), (3807, 5345)]