20490964284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{794593}}^1$

素因数の和:794914

約数の個数: 48

約数和(自身を含む): 54820629248

約数和(自身を除く): 34329664964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 307, 614, 921, 1228, 1842, 2149, 3684, 4298, 6447, 8596, 12894, 25788, 794593, 1589186, 2383779, 3178372, 4767558, 5562151, 9535116, 11124302, 16686453, 22248604, 33372906, 66745812, 243940051, 487880102, 731820153, 975760204, 1463640306, 1707580357, 2927280612, 3415160714, 5122741071, 6830321428, 10245482142, 20490964284]

約数ペア:

[(1, 20490964284), (2, 10245482142), (3, 6830321428), (4, 5122741071), (6, 3415160714), (7, 2927280612), (12, 1707580357), (14, 1463640306), (21, 975760204), (28, 731820153), (42, 487880102), (84, 243940051), (307, 66745812), (614, 33372906), (921, 22248604), (1228, 16686453), (1842, 11124302), (2149, 9535116), (3684, 5562151), (4298, 4767558), (6447, 3178372), (8596, 2383779), (12894, 1589186), (25788, 794593)]