20028931279

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{12491}}^1$

素因数の和:12727

約数の個数: 32

約数和(自身を含む): 24243674112

約数和(自身を除く): 4214742833

約数列:

[1, 7, 37, 41, 151, 259, 287, 1057, 1517, 5587, 6191, 10619, 12491, 39109, 43337, 87437, 229067, 462167, 512131, 1603469, 1886141, 3235169, 3584917, 13202987, 18948847, 69787217, 77331781, 132641929, 488510519, 541322467, 2861275897, 20028931279]

約数ペア:

[(1, 20028931279), (7, 2861275897), (37, 541322467), (41, 488510519), (151, 132641929), (259, 77331781), (287, 69787217), (1057, 18948847), (1517, 13202987), (5587, 3584917), (6191, 3235169), (10619, 1886141), (12491, 1603469), (39109, 512131), (43337, 462167), (87437, 229067)]