20257768

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 39009600

約数和(自身を除く): 18751832

約数列:

[1, 2, 4, 8, 59, 118, 167, 236, 257, 334, 472, 514, 668, 1028, 1336, 2056, 9853, 15163, 19706, 30326, 39412, 42919, 60652, 78824, 85838, 121304, 171676, 343352, 2532221, 5064442, 10128884, 20257768]

約数ペア:

[(1, 20257768), (2, 10128884), (4, 5064442), (8, 2532221), (59, 343352), (118, 171676), (167, 121304), (236, 85838), (257, 78824), (334, 60652), (472, 42919), (514, 39412), (668, 30326), (1028, 19706), (1336, 15163), (2056, 9853)]