20420928

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^2\times {\mathrm{293}}^1$

素因数の和:333

約数の個数: 126

約数和(自身を含む): 64557402

約数和(自身を除く): 44136474

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 121, 132, 144, 176, 192, 198, 242, 264, 288, 293, 352, 363, 396, 484, 528, 576, 586, 704, 726, 792, 879, 968, 1056, 1089, 1172, 1452, 1584, 1758, 1936, 2112, 2178, 2344, 2637, 2904, 3168, 3223, 3516, 3872, 4356, 4688, 5274, 5808, 6336, 6446, 7032, 7744, 8712, 9376, 9669, 10548, 11616, 12892, 14064, 17424, 18752, 19338, 21096, 23232, 25784, 28128, 29007, 34848, 35453, 38676, 42192, 51568, 56256, 58014, 69696, 70906, 77352, 84384, 103136, 106359, 116028, 141812, 154704, 168768, 206272, 212718, 232056, 283624, 309408, 319077, 425436, 464112, 567248, 618816, 638154, 850872, 928224, 1134496, 1276308, 1701744, 1856448, 2268992, 2552616, 3403488, 5105232, 6806976, 10210464, 20420928]

約数ペア:

[(1, 20420928), (2, 10210464), (3, 6806976), (4, 5105232), (6, 3403488), (8, 2552616), (9, 2268992), (11, 1856448), (12, 1701744), (16, 1276308), (18, 1134496), (22, 928224), (24, 850872), (32, 638154), (33, 618816), (36, 567248), (44, 464112), (48, 425436), (64, 319077), (66, 309408), (72, 283624), (88, 232056), (96, 212718), (99, 206272), (121, 168768), (132, 154704), (144, 141812), (176, 116028), (192, 106359), (198, 103136), (242, 84384), (264, 77352), (288, 70906), (293, 69696), (352, 58014), (363, 56256), (396, 51568), (484, 42192), (528, 38676), (576, 35453), (586, 34848), (704, 29007), (726, 28128), (792, 25784), (879, 23232), (968, 21096), (1056, 19338), (1089, 18752), (1172, 17424), (1452, 14064), (1584, 12892), (1758, 11616), (1936, 10548), (2112, 9669), (2178, 9376), (2344, 8712), (2637, 7744), (2904, 7032), (3168, 6446), (3223, 6336), (3516, 5808), (3872, 5274), (4356, 4688)]