20661285121

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{1499}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 23284800000

約数和(自身を除く): 2623514879

約数列:

[1, 17, 19, 139, 307, 323, 1499, 2363, 2641, 5219, 5833, 25483, 28481, 42673, 44897, 99161, 208361, 460193, 484177, 725441, 810787, 3542137, 3958859, 7823281, 8743667, 13783379, 63966827, 67300603, 148642339, 1087436059, 1215369713, 20661285121]

約数ペア:

[(1, 20661285121), (17, 1215369713), (19, 1087436059), (139, 148642339), (307, 67300603), (323, 63966827), (1499, 13783379), (2363, 8743667), (2641, 7823281), (5219, 3958859), (5833, 3542137), (25483, 810787), (28481, 725441), (42673, 484177), (44897, 460193), (99161, 208361)]