20819295

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22031}}^1$

素因数の和:22052

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 21482145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22031, 66093, 110155, 154217, 198279, 330465, 462651, 594837, 771085, 991395, 1387953, 2313255, 2974185, 4163859, 6939765, 20819295]

約数ペア:

[(1, 20819295), (3, 6939765), (5, 4163859), (7, 2974185), (9, 2313255), (15, 1387953), (21, 991395), (27, 771085), (35, 594837), (45, 462651), (63, 330465), (105, 198279), (135, 154217), (189, 110155), (315, 66093), (945, 22031)]