20795907

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 31026240

約数和(自身を除く): 10230333

約数列:

[1, 3, 11, 33, 59, 121, 177, 363, 649, 971, 1947, 2913, 7139, 10681, 21417, 32043, 57289, 117491, 171867, 352473, 630179, 1890537, 6931969, 20795907]

約数ペア:

[(1, 20795907), (3, 6931969), (11, 1890537), (33, 630179), (59, 352473), (121, 171867), (177, 117491), (363, 57289), (649, 32043), (971, 21417), (1947, 10681), (2913, 7139)]