20762703

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 33432000

約数和(自身を除く): 12669297

約数列:

[1, 3, 9, 13, 27, 39, 117, 149, 351, 397, 447, 1191, 1341, 1937, 3573, 4023, 5161, 5811, 10719, 15483, 17433, 46449, 52299, 59153, 139347, 177459, 532377, 768989, 1597131, 2306967, 6920901, 20762703]

約数ペア:

[(1, 20762703), (3, 6920901), (9, 2306967), (13, 1597131), (27, 768989), (39, 532377), (117, 177459), (149, 139347), (351, 59153), (397, 52299), (447, 46449), (1191, 17433), (1341, 15483), (1937, 10719), (3573, 5811), (4023, 5161)]