20876551248

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{395749}}^1$

素因数の和:395924

約数の個数: 80

約数和(自身を含む): 62028272000

約数和(自身を除く): 41151720752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 157, 168, 314, 336, 471, 628, 942, 1099, 1256, 1884, 2198, 2512, 3297, 3768, 4396, 6594, 7536, 8792, 13188, 17584, 26376, 52752, 395749, 791498, 1187247, 1582996, 2374494, 2770243, 3165992, 4748988, 5540486, 6331984, 8310729, 9497976, 11080972, 16621458, 18995952, 22161944, 33242916, 44323888, 62132593, 66485832, 124265186, 132971664, 186397779, 248530372, 372795558, 434928151, 497060744, 745591116, 869856302, 994121488, 1304784453, 1491182232, 1739712604, 2609568906, 2982364464, 3479425208, 5219137812, 6958850416, 10438275624, 20876551248]

約数ペア:

[(1, 20876551248), (2, 10438275624), (3, 6958850416), (4, 5219137812), (6, 3479425208), (7, 2982364464), (8, 2609568906), (12, 1739712604), (14, 1491182232), (16, 1304784453), (21, 994121488), (24, 869856302), (28, 745591116), (42, 497060744), (48, 434928151), (56, 372795558), (84, 248530372), (112, 186397779), (157, 132971664), (168, 124265186), (314, 66485832), (336, 62132593), (471, 44323888), (628, 33242916), (942, 22161944), (1099, 18995952), (1256, 16621458), (1884, 11080972), (2198, 9497976), (2512, 8310729), (3297, 6331984), (3768, 5540486), (4396, 4748988), (6594, 3165992), (7536, 2770243), (8792, 2374494), (13188, 1582996), (17584, 1187247), (26376, 791498), (52752, 395749)]