20244147

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 35137536

約数和(自身を除く): 14893389

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 121, 217, 231, 257, 341, 363, 651, 771, 847, 1023, 1799, 2387, 2541, 2827, 3751, 5397, 7161, 7967, 8481, 11253, 19789, 23901, 26257, 31097, 55769, 59367, 78771, 87637, 93291, 167307, 217679, 262911, 613459, 653037, 964007, 1840377, 2892021, 6748049, 20244147]

約数ペア:

[(1, 20244147), (3, 6748049), (7, 2892021), (11, 1840377), (21, 964007), (31, 653037), (33, 613459), (77, 262911), (93, 217679), (121, 167307), (217, 93291), (231, 87637), (257, 78771), (341, 59367), (363, 55769), (651, 31097), (771, 26257), (847, 23901), (1023, 19789), (1799, 11253), (2387, 8481), (2541, 7967), (2827, 7161), (3751, 5397)]