20687856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2677}}^1$

素因数の和:2718

約数の個数: 80

約数和(自身を含む): 63757824

約数和(自身を除く): 43069968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 2677, 3864, 5354, 7728, 8031, 10708, 16062, 18739, 21416, 32124, 37478, 42832, 56217, 61571, 64248, 74956, 112434, 123142, 128496, 149912, 184713, 224868, 246284, 299824, 369426, 430997, 449736, 492568, 738852, 861994, 899472, 985136, 1292991, 1477704, 1723988, 2585982, 2955408, 3447976, 5171964, 6895952, 10343928, 20687856]

約数ペア:

[(1, 20687856), (2, 10343928), (3, 6895952), (4, 5171964), (6, 3447976), (7, 2955408), (8, 2585982), (12, 1723988), (14, 1477704), (16, 1292991), (21, 985136), (23, 899472), (24, 861994), (28, 738852), (42, 492568), (46, 449736), (48, 430997), (56, 369426), (69, 299824), (84, 246284), (92, 224868), (112, 184713), (138, 149912), (161, 128496), (168, 123142), (184, 112434), (276, 74956), (322, 64248), (336, 61571), (368, 56217), (483, 42832), (552, 37478), (644, 32124), (966, 21416), (1104, 18739), (1288, 16062), (1932, 10708), (2576, 8031), (2677, 7728), (3864, 5354)]