20291284284

素因数分解:

$2^2\times 3^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{463}}^1$

素因数の和:939

約数の個数: 96

約数和(自身を含む): 48392601600

約数和(自身を除く): 28101317316

約数列:

[1, 2, 3, 4, 6, 12, 127, 149, 193, 254, 298, 381, 386, 447, 463, 508, 579, 596, 762, 772, 894, 926, 1158, 1389, 1524, 1788, 1852, 2316, 2778, 5556, 18923, 24511, 28757, 37846, 49022, 56769, 57514, 58801, 68987, 73533, 75692, 86271, 89359, 98044, 113538, 115028, 117602, 137974, 147066, 172542, 176403, 178718, 206961, 227076, 235204, 268077, 275948, 294132, 345084, 352806, 357436, 413922, 536154, 705612, 827844, 1072308, 3652139, 7304278, 8761349, 10956417, 11348593, 13314491, 14608556, 17522698, 21912834, 22697186, 26284047, 26628982, 34045779, 35045396, 39943473, 43825668, 45394372, 52568094, 53257964, 68091558, 79886946, 105136188, 136183116, 159773892, 1690940357, 3381880714, 5072821071, 6763761428, 10145642142, 20291284284]

約数ペア:

[(1, 20291284284), (2, 10145642142), (3, 6763761428), (4, 5072821071), (6, 3381880714), (12, 1690940357), (127, 159773892), (149, 136183116), (193, 105136188), (254, 79886946), (298, 68091558), (381, 53257964), (386, 52568094), (447, 45394372), (463, 43825668), (508, 39943473), (579, 35045396), (596, 34045779), (762, 26628982), (772, 26284047), (894, 22697186), (926, 21912834), (1158, 17522698), (1389, 14608556), (1524, 13314491), (1788, 11348593), (1852, 10956417), (2316, 8761349), (2778, 7304278), (5556, 3652139), (18923, 1072308), (24511, 827844), (28757, 705612), (37846, 536154), (49022, 413922), (56769, 357436), (57514, 352806), (58801, 345084), (68987, 294132), (73533, 275948), (75692, 268077), (86271, 235204), (89359, 227076), (98044, 206961), (113538, 178718), (115028, 176403), (117602, 172542), (137974, 147066)]