20975976

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13873}}^1$

素因数の和:13895

約数の個数: 64

約数和(自身を含む): 66595200

約数和(自身を除く): 45619224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13873, 27746, 41619, 55492, 83238, 97111, 110984, 124857, 166476, 194222, 249714, 291333, 332952, 374571, 388444, 499428, 582666, 749142, 776888, 873999, 998856, 1165332, 1498284, 1747998, 2330664, 2621997, 2996568, 3495996, 5243994, 6991992, 10487988, 20975976]

約数ペア:

[(1, 20975976), (2, 10487988), (3, 6991992), (4, 5243994), (6, 3495996), (7, 2996568), (8, 2621997), (9, 2330664), (12, 1747998), (14, 1498284), (18, 1165332), (21, 998856), (24, 873999), (27, 776888), (28, 749142), (36, 582666), (42, 499428), (54, 388444), (56, 374571), (63, 332952), (72, 291333), (84, 249714), (108, 194222), (126, 166476), (168, 124857), (189, 110984), (216, 97111), (252, 83238), (378, 55492), (504, 41619), (756, 27746), (1512, 13873)]