20768916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247249}}^1$

素因数の和:247263

約数の個数: 24

約数和(自身を含む): 55384000

約数和(自身を除く): 34615084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247249, 494498, 741747, 988996, 1483494, 1730743, 2966988, 3461486, 5192229, 6922972, 10384458, 20768916]

約数ペア:

[(1, 20768916), (2, 10384458), (3, 6922972), (4, 5192229), (6, 3461486), (7, 2966988), (12, 1730743), (14, 1483494), (21, 988996), (28, 741747), (42, 494498), (84, 247249)]