20855256

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12239}}^1$

素因数の和:12319

約数の個数: 32

約数和(自身を含む): 52876800

約数和(自身を除く): 32021544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12239, 24478, 36717, 48956, 73434, 97912, 146868, 293736, 868969, 1737938, 2606907, 3475876, 5213814, 6951752, 10427628, 20855256]

約数ペア:

[(1, 20855256), (2, 10427628), (3, 6951752), (4, 5213814), (6, 3475876), (8, 2606907), (12, 1737938), (24, 868969), (71, 293736), (142, 146868), (213, 97912), (284, 73434), (426, 48956), (568, 36717), (852, 24478), (1704, 12239)]