20971206

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{12011}}^1$

素因数の和:12116

約数の個数: 24

約数和(自身を含む): 45909864

約数和(自身を除く): 24938658

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 12011, 24022, 36033, 72066, 108099, 216198, 1165067, 2330134, 3495201, 6990402, 10485603, 20971206]

約数ペア:

[(1, 20971206), (2, 10485603), (3, 6990402), (6, 3495201), (9, 2330134), (18, 1165067), (97, 216198), (194, 108099), (291, 72066), (582, 36033), (873, 24022), (1746, 12011)]