20439452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4789}}^1$

素因数の和:4901

約数の個数: 24

約数和(自身を含む): 39431280

約数和(自身を除く): 18991828

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4789, 9578, 19156, 52679, 105358, 210716, 464533, 929066, 1858132, 5109863, 10219726, 20439452]

約数ペア:

[(1, 20439452), (2, 10219726), (4, 5109863), (11, 1858132), (22, 929066), (44, 464533), (97, 210716), (194, 105358), (388, 52679), (1067, 19156), (2134, 9578), (4268, 4789)]