20752769968

素因数分解:

$2^4\times 7^1\times {\mathrm{11447}}^1\times {\mathrm{16187}}^1$

素因数の和:27649

約数の個数: 40

約数和(自身を含む): 45959415552

約数和(自身を除く): 25206645584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 11447, 16187, 22894, 32374, 45788, 64748, 80129, 91576, 113309, 129496, 160258, 183152, 226618, 258992, 320516, 453236, 641032, 906472, 1282064, 1812944, 185292589, 370585178, 741170356, 1297048123, 1482340712, 2594096246, 2964681424, 5188192492, 10376384984, 20752769968]

約数ペア:

[(1, 20752769968), (2, 10376384984), (4, 5188192492), (7, 2964681424), (8, 2594096246), (14, 1482340712), (16, 1297048123), (28, 741170356), (56, 370585178), (112, 185292589), (11447, 1812944), (16187, 1282064), (22894, 906472), (32374, 641032), (45788, 453236), (64748, 320516), (80129, 258992), (91576, 226618), (113309, 183152), (129496, 160258)]