20145803776

素因数分解:

$2^9\times 7^1\times {\mathrm{23}}^1\times {\mathrm{244393}}^1$

素因数の和:244441

約数の個数: 80

約数和(自身を含む): 48002891904

約数和(自身を除く): 27857088128

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 512, 644, 736, 896, 1288, 1472, 1792, 2576, 2944, 3584, 5152, 5888, 10304, 11776, 20608, 41216, 82432, 244393, 488786, 977572, 1710751, 1955144, 3421502, 3910288, 5621039, 6843004, 7820576, 11242078, 13686008, 15641152, 22484156, 27372016, 31282304, 39347273, 44968312, 54744032, 62564608, 78694546, 89936624, 109488064, 125129216, 157389092, 179873248, 218976128, 314778184, 359746496, 437952256, 629556368, 719492992, 875904512, 1259112736, 1438985984, 2518225472, 2877971968, 5036450944, 10072901888, 20145803776]

約数ペア:

[(1, 20145803776), (2, 10072901888), (4, 5036450944), (7, 2877971968), (8, 2518225472), (14, 1438985984), (16, 1259112736), (23, 875904512), (28, 719492992), (32, 629556368), (46, 437952256), (56, 359746496), (64, 314778184), (92, 218976128), (112, 179873248), (128, 157389092), (161, 125129216), (184, 109488064), (224, 89936624), (256, 78694546), (322, 62564608), (368, 54744032), (448, 44968312), (512, 39347273), (644, 31282304), (736, 27372016), (896, 22484156), (1288, 15641152), (1472, 13686008), (1792, 11242078), (2576, 7820576), (2944, 6843004), (3584, 5621039), (5152, 3910288), (5888, 3421502), (10304, 1955144), (11776, 1710751), (20608, 977572), (41216, 488786), (82432, 244393)]