20910484

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7699}}^1$

素因数の和:7807

約数の個数: 24

約数和(自身を含む): 42257600

約数和(自身を除く): 21347116

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7699, 15398, 30796, 53893, 107786, 215572, 746803, 1493606, 2987212, 5227621, 10455242, 20910484]

約数ペア:

[(1, 20910484), (2, 10455242), (4, 5227621), (7, 2987212), (14, 1493606), (28, 746803), (97, 215572), (194, 107786), (388, 53893), (679, 30796), (1358, 15398), (2716, 7699)]