20628864

素因数分解:

$2^7\times 3^3\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 62668800

約数和(自身を除く): 42039936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 127, 128, 141, 144, 188, 192, 216, 254, 282, 288, 376, 381, 384, 423, 432, 508, 564, 576, 752, 762, 846, 864, 1016, 1128, 1143, 1152, 1269, 1504, 1524, 1692, 1728, 2032, 2256, 2286, 2538, 3008, 3048, 3384, 3429, 3456, 4064, 4512, 4572, 5076, 5969, 6016, 6096, 6768, 6858, 8128, 9024, 9144, 10152, 11938, 12192, 13536, 13716, 16256, 17907, 18048, 18288, 20304, 23876, 24384, 27072, 27432, 35814, 36576, 40608, 47752, 48768, 53721, 54144, 54864, 71628, 73152, 81216, 95504, 107442, 109728, 143256, 146304, 161163, 162432, 191008, 214884, 219456, 286512, 322326, 382016, 429768, 438912, 573024, 644652, 764032, 859536, 1146048, 1289304, 1719072, 2292096, 2578608, 3438144, 5157216, 6876288, 10314432, 20628864]

約数ペア:

[(1, 20628864), (2, 10314432), (3, 6876288), (4, 5157216), (6, 3438144), (8, 2578608), (9, 2292096), (12, 1719072), (16, 1289304), (18, 1146048), (24, 859536), (27, 764032), (32, 644652), (36, 573024), (47, 438912), (48, 429768), (54, 382016), (64, 322326), (72, 286512), (94, 219456), (96, 214884), (108, 191008), (127, 162432), (128, 161163), (141, 146304), (144, 143256), (188, 109728), (192, 107442), (216, 95504), (254, 81216), (282, 73152), (288, 71628), (376, 54864), (381, 54144), (384, 53721), (423, 48768), (432, 47752), (508, 40608), (564, 36576), (576, 35814), (752, 27432), (762, 27072), (846, 24384), (864, 23876), (1016, 20304), (1128, 18288), (1143, 18048), (1152, 17907), (1269, 16256), (1504, 13716), (1524, 13536), (1692, 12192), (1728, 11938), (2032, 10152), (2256, 9144), (2286, 9024), (2538, 8128), (3008, 6858), (3048, 6768), (3384, 6096), (3429, 6016), (3456, 5969), (4064, 5076), (4512, 4572)]