20448932

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 43206912

約数和(自身を除く): 22757980

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 113, 161, 226, 281, 322, 452, 562, 644, 791, 1124, 1582, 1967, 2599, 3164, 3934, 5198, 6463, 7868, 10396, 12926, 18193, 25852, 31753, 36386, 45241, 63506, 72772, 90482, 127012, 180964, 222271, 444542, 730319, 889084, 1460638, 2921276, 5112233, 10224466, 20448932]

約数ペア:

[(1, 20448932), (2, 10224466), (4, 5112233), (7, 2921276), (14, 1460638), (23, 889084), (28, 730319), (46, 444542), (92, 222271), (113, 180964), (161, 127012), (226, 90482), (281, 72772), (322, 63506), (452, 45241), (562, 36386), (644, 31753), (791, 25852), (1124, 18193), (1582, 12926), (1967, 10396), (2599, 7868), (3164, 6463), (3934, 5198)]