20901848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{449}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 44793000

約数和(自身を除く): 23891152

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 449, 506, 529, 898, 1012, 1058, 1796, 2024, 2116, 3592, 4232, 4939, 5819, 9878, 10327, 11638, 19756, 20654, 23276, 39512, 41308, 46552, 82616, 113597, 227194, 237521, 454388, 475042, 908776, 950084, 1900168, 2612731, 5225462, 10450924, 20901848]

約数ペア:

[(1, 20901848), (2, 10450924), (4, 5225462), (8, 2612731), (11, 1900168), (22, 950084), (23, 908776), (44, 475042), (46, 454388), (88, 237521), (92, 227194), (184, 113597), (253, 82616), (449, 46552), (506, 41308), (529, 39512), (898, 23276), (1012, 20654), (1058, 19756), (1796, 11638), (2024, 10327), (2116, 9878), (3592, 5819), (4232, 4939)]