20195647312

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1433}}^1\times {\mathrm{8081}}^1$

素因数の和:9631

約数の個数: 40

約数和(自身を含む): 39520495080

約数和(自身を除く): 19324847768

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1433, 1744, 2866, 5732, 8081, 11464, 16162, 22928, 32324, 64648, 129296, 156197, 312394, 624788, 880829, 1249576, 1761658, 2499152, 3523316, 7046632, 11580073, 14093264, 23160146, 46320292, 92640584, 185281168, 1262227957, 2524455914, 5048911828, 10097823656, 20195647312]

約数ペア:

[(1, 20195647312), (2, 10097823656), (4, 5048911828), (8, 2524455914), (16, 1262227957), (109, 185281168), (218, 92640584), (436, 46320292), (872, 23160146), (1433, 14093264), (1744, 11580073), (2866, 7046632), (5732, 3523316), (8081, 2499152), (11464, 1761658), (16162, 1249576), (22928, 880829), (32324, 624788), (64648, 312394), (129296, 156197)]