20794785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{653}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 36540288

約数和(自身を除く): 15745503

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 193, 579, 653, 965, 1959, 2123, 2895, 3265, 6369, 7183, 9795, 10615, 21549, 31845, 35915, 107745, 126029, 378087, 630145, 1386319, 1890435, 4158957, 6931595, 20794785]

約数ペア:

[(1, 20794785), (3, 6931595), (5, 4158957), (11, 1890435), (15, 1386319), (33, 630145), (55, 378087), (165, 126029), (193, 107745), (579, 35915), (653, 31845), (965, 21549), (1959, 10615), (2123, 9795), (2895, 7183), (3265, 6369)]