20360281216

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1\times {\mathrm{643}}^1$

素因数の和:1234

約数の個数: 128

約数和(自身を含む): 45435075840

約数和(自身を除く): 25074794624

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 128, 172, 176, 344, 352, 473, 523, 643, 688, 704, 946, 1046, 1286, 1376, 1408, 1892, 2092, 2572, 2752, 3784, 4184, 5144, 5504, 5753, 7073, 7568, 8368, 10288, 11506, 14146, 15136, 16736, 20576, 22489, 23012, 27649, 28292, 30272, 33472, 41152, 44978, 46024, 55298, 56584, 60544, 66944, 82304, 89956, 92048, 110596, 113168, 179912, 184096, 221192, 226336, 247379, 304139, 336289, 359824, 368192, 442384, 452672, 494758, 608278, 672578, 719648, 736384, 884768, 905344, 989516, 1216556, 1345156, 1439296, 1769536, 1979032, 2433112, 2690312, 2878592, 3539072, 3699179, 3958064, 4866224, 5380624, 7398358, 7916128, 9732448, 10761248, 14460427, 14796716, 15832256, 19464896, 21522496, 28920854, 29593432, 31664512, 38929792, 43044992, 57841708, 59186864, 115683416, 118373728, 159064697, 231366832, 236747456, 318129394, 462733664, 473494912, 636258788, 925467328, 1272517576, 1850934656, 2545035152, 5090070304, 10180140608, 20360281216]

約数ペア:

[(1, 20360281216), (2, 10180140608), (4, 5090070304), (8, 2545035152), (11, 1850934656), (16, 1272517576), (22, 925467328), (32, 636258788), (43, 473494912), (44, 462733664), (64, 318129394), (86, 236747456), (88, 231366832), (128, 159064697), (172, 118373728), (176, 115683416), (344, 59186864), (352, 57841708), (473, 43044992), (523, 38929792), (643, 31664512), (688, 29593432), (704, 28920854), (946, 21522496), (1046, 19464896), (1286, 15832256), (1376, 14796716), (1408, 14460427), (1892, 10761248), (2092, 9732448), (2572, 7916128), (2752, 7398358), (3784, 5380624), (4184, 4866224), (5144, 3958064), (5504, 3699179), (5753, 3539072), (7073, 2878592), (7568, 2690312), (8368, 2433112), (10288, 1979032), (11506, 1769536), (14146, 1439296), (15136, 1345156), (16736, 1216556), (20576, 989516), (22489, 905344), (23012, 884768), (27649, 736384), (28292, 719648), (30272, 672578), (33472, 608278), (41152, 494758), (44978, 452672), (46024, 442384), (55298, 368192), (56584, 359824), (60544, 336289), (66944, 304139), (82304, 247379), (89956, 226336), (92048, 221192), (110596, 184096), (113168, 179912)]