20605411584

素因数分解:

$2^8\times 3^3\times {\mathrm{163}}^1\times {\mathrm{18289}}^1$

素因数の和:18477

約数の個数: 144

約数和(自身を含む): 61311006400

約数和(自身を除く): 40705594816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 163, 192, 216, 256, 288, 326, 384, 432, 489, 576, 652, 768, 864, 978, 1152, 1304, 1467, 1728, 1956, 2304, 2608, 2934, 3456, 3912, 4401, 5216, 5868, 6912, 7824, 8802, 10432, 11736, 15648, 17604, 18289, 20864, 23472, 31296, 35208, 36578, 41728, 46944, 54867, 62592, 70416, 73156, 93888, 109734, 125184, 140832, 146312, 164601, 187776, 219468, 281664, 292624, 329202, 375552, 438936, 493803, 563328, 585248, 658404, 877872, 987606, 1126656, 1170496, 1316808, 1755744, 1975212, 2340992, 2633616, 2981107, 3511488, 3950424, 4681984, 5267232, 5962214, 7022976, 7900848, 8943321, 10534464, 11924428, 14045952, 15801696, 17886642, 21068928, 23848856, 26829963, 31603392, 35773284, 42137856, 47697712, 53659926, 63206784, 71546568, 80489889, 95395424, 107319852, 126413568, 143093136, 160979778, 190790848, 214639704, 286186272, 321959556, 381581696, 429279408, 572372544, 643919112, 763163392, 858558816, 1144745088, 1287838224, 1717117632, 2289490176, 2575676448, 3434235264, 5151352896, 6868470528, 10302705792, 20605411584]

約数ペア:

[(1, 20605411584), (2, 10302705792), (3, 6868470528), (4, 5151352896), (6, 3434235264), (8, 2575676448), (9, 2289490176), (12, 1717117632), (16, 1287838224), (18, 1144745088), (24, 858558816), (27, 763163392), (32, 643919112), (36, 572372544), (48, 429279408), (54, 381581696), (64, 321959556), (72, 286186272), (96, 214639704), (108, 190790848), (128, 160979778), (144, 143093136), (163, 126413568), (192, 107319852), (216, 95395424), (256, 80489889), (288, 71546568), (326, 63206784), (384, 53659926), (432, 47697712), (489, 42137856), (576, 35773284), (652, 31603392), (768, 26829963), (864, 23848856), (978, 21068928), (1152, 17886642), (1304, 15801696), (1467, 14045952), (1728, 11924428), (1956, 10534464), (2304, 8943321), (2608, 7900848), (2934, 7022976), (3456, 5962214), (3912, 5267232), (4401, 4681984), (5216, 3950424), (5868, 3511488), (6912, 2981107), (7824, 2633616), (8802, 2340992), (10432, 1975212), (11736, 1755744), (15648, 1316808), (17604, 1170496), (18289, 1126656), (20864, 987606), (23472, 877872), (31296, 658404), (35208, 585248), (36578, 563328), (41728, 493803), (46944, 438936), (54867, 375552), (62592, 329202), (70416, 292624), (73156, 281664), (93888, 219468), (109734, 187776), (125184, 164601), (140832, 146312)]