20165085712

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9620747}}^1$

素因数の和:9620886

約数の個数: 20

約数和(自身を含む): 39368100816

約数和(自身を除く): 19203015104

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9620747, 19241494, 38482988, 76965976, 153931952, 1260317857, 2520635714, 5041271428, 10082542856, 20165085712]

約数ペア:

[(1, 20165085712), (2, 10082542856), (4, 5041271428), (8, 2520635714), (16, 1260317857), (131, 153931952), (262, 76965976), (524, 38482988), (1048, 19241494), (2096, 9620747)]