20804429163

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1447}}^1\times {\mathrm{2081}}^1$

素因数の和:3592

約数の個数: 48

約数和(自身を含む): 32993270784

約数和(自身を除く): 12188841621

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 1447, 2081, 2303, 4341, 6243, 6909, 10129, 14567, 30387, 43701, 68009, 70903, 97807, 101969, 204027, 212709, 293421, 305907, 476063, 684649, 1428189, 2053947, 3011207, 3332441, 4792543, 9033621, 9997323, 14377629, 21078449, 63235347, 141526729, 147549143, 424580187, 442647429, 990687103, 2972061309, 6934809721, 20804429163]

約数ペア:

[(1, 20804429163), (3, 6934809721), (7, 2972061309), (21, 990687103), (47, 442647429), (49, 424580187), (141, 147549143), (147, 141526729), (329, 63235347), (987, 21078449), (1447, 14377629), (2081, 9997323), (2303, 9033621), (4341, 4792543), (6243, 3332441), (6909, 3011207), (10129, 2053947), (14567, 1428189), (30387, 684649), (43701, 476063), (68009, 305907), (70903, 293421), (97807, 212709), (101969, 204027)]