20116768

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2945

約数の個数: 48

約数和(自身を含む): 46738944

約数和(自身を除く): 26622176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2897, 3472, 5794, 6944, 11588, 20279, 23176, 40558, 46352, 81116, 89807, 92704, 162232, 179614, 324464, 359228, 628649, 648928, 718456, 1257298, 1436912, 2514596, 2873824, 5029192, 10058384, 20116768]

約数ペア:

[(1, 20116768), (2, 10058384), (4, 5029192), (7, 2873824), (8, 2514596), (14, 1436912), (16, 1257298), (28, 718456), (31, 648928), (32, 628649), (56, 359228), (62, 324464), (112, 179614), (124, 162232), (217, 92704), (224, 89807), (248, 81116), (434, 46352), (496, 40558), (868, 23176), (992, 20279), (1736, 11588), (2897, 6944), (3472, 5794)]