20165301

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 32654720

約数和(自身を除く): 12489419

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 787, 949, 1971, 2361, 2847, 7083, 8541, 10231, 21249, 25623, 30693, 57451, 92079, 172353, 276237, 517059, 746863, 1551177, 2240589, 6721767, 20165301]

約数ペア:

[(1, 20165301), (3, 6721767), (9, 2240589), (13, 1551177), (27, 746863), (39, 517059), (73, 276237), (117, 172353), (219, 92079), (351, 57451), (657, 30693), (787, 25623), (949, 21249), (1971, 10231), (2361, 8541), (2847, 7083)]