20239142

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6917}}^1$

素因数の和:6956

約数の個数: 32

約数和(自身を含む): 39847680

約数和(自身を除く): 19608538

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 6917, 13834, 48419, 76087, 96838, 131423, 152174, 262846, 532609, 919961, 1065218, 1445653, 1839922, 2891306, 10119571, 20239142]

約数ペア:

[(1, 20239142), (2, 10119571), (7, 2891306), (11, 1839922), (14, 1445653), (19, 1065218), (22, 919961), (38, 532609), (77, 262846), (133, 152174), (154, 131423), (209, 96838), (266, 76087), (418, 48419), (1463, 13834), (2926, 6917)]