20382005

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15739}}^1$

素因数の和:15788

約数の個数: 16

約数和(自身を含む): 28709760

約数和(自身を除く): 8327755

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 15739, 78695, 110173, 550865, 582343, 2911715, 4076401, 20382005]

約数ペア:

[(1, 20382005), (5, 4076401), (7, 2911715), (35, 582343), (37, 550865), (185, 110173), (259, 78695), (1295, 15739)]