20961963

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 34164480

約数和(自身を除く): 13202517

約数列:

[1, 3, 9, 11, 27, 33, 99, 163, 297, 433, 489, 1299, 1467, 1793, 3897, 4401, 4763, 5379, 11691, 14289, 16137, 42867, 48411, 70579, 128601, 211737, 635211, 776369, 1905633, 2329107, 6987321, 20961963]

約数ペア:

[(1, 20961963), (3, 6987321), (9, 2329107), (11, 1905633), (27, 776369), (33, 635211), (99, 211737), (163, 128601), (297, 70579), (433, 48411), (489, 42867), (1299, 16137), (1467, 14289), (1793, 11691), (3897, 5379), (4401, 4763)]