20405952

素因数分解:

$2^6\times 3^3\times 7^2\times {\mathrm{241}}^1$

素因数の和:276

約数の個数: 168

約数和(自身を含む): 70073520

約数和(自身を除く): 49667568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 192, 196, 216, 224, 241, 252, 288, 294, 336, 378, 392, 432, 441, 448, 482, 504, 576, 588, 672, 723, 756, 784, 864, 882, 964, 1008, 1176, 1323, 1344, 1446, 1512, 1568, 1687, 1728, 1764, 1928, 2016, 2169, 2352, 2646, 2892, 3024, 3136, 3374, 3528, 3856, 4032, 4338, 4704, 5061, 5292, 5784, 6048, 6507, 6748, 7056, 7712, 8676, 9408, 10122, 10584, 11568, 11809, 12096, 13014, 13496, 14112, 15183, 15424, 17352, 20244, 21168, 23136, 23618, 26028, 26992, 28224, 30366, 34704, 35427, 40488, 42336, 45549, 46272, 47236, 52056, 53984, 60732, 69408, 70854, 80976, 84672, 91098, 94472, 104112, 106281, 107968, 121464, 138816, 141708, 161952, 182196, 188944, 208224, 212562, 242928, 283416, 318843, 323904, 364392, 377888, 416448, 425124, 485856, 566832, 637686, 728784, 755776, 850248, 971712, 1133664, 1275372, 1457568, 1700496, 2267328, 2550744, 2915136, 3400992, 5101488, 6801984, 10202976, 20405952]

約数ペア:

[(1, 20405952), (2, 10202976), (3, 6801984), (4, 5101488), (6, 3400992), (7, 2915136), (8, 2550744), (9, 2267328), (12, 1700496), (14, 1457568), (16, 1275372), (18, 1133664), (21, 971712), (24, 850248), (27, 755776), (28, 728784), (32, 637686), (36, 566832), (42, 485856), (48, 425124), (49, 416448), (54, 377888), (56, 364392), (63, 323904), (64, 318843), (72, 283416), (84, 242928), (96, 212562), (98, 208224), (108, 188944), (112, 182196), (126, 161952), (144, 141708), (147, 138816), (168, 121464), (189, 107968), (192, 106281), (196, 104112), (216, 94472), (224, 91098), (241, 84672), (252, 80976), (288, 70854), (294, 69408), (336, 60732), (378, 53984), (392, 52056), (432, 47236), (441, 46272), (448, 45549), (482, 42336), (504, 40488), (576, 35427), (588, 34704), (672, 30366), (723, 28224), (756, 26992), (784, 26028), (864, 23618), (882, 23136), (964, 21168), (1008, 20244), (1176, 17352), (1323, 15424), (1344, 15183), (1446, 14112), (1512, 13496), (1568, 13014), (1687, 12096), (1728, 11809), (1764, 11568), (1928, 10584), (2016, 10122), (2169, 9408), (2352, 8676), (2646, 7712), (2892, 7056), (3024, 6748), (3136, 6507), (3374, 6048), (3528, 5784), (3856, 5292), (4032, 5061), (4338, 4704)]