20512157896

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{2789}}^1\times {\mathrm{39971}}^1$

素因数の和:42789

約数の個数: 32

約数和(自身を含む): 40147876800

約数和(自身を除く): 19635718904

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 2789, 5578, 11156, 22312, 39971, 64147, 79942, 128294, 159884, 256588, 319768, 513176, 919333, 1838666, 3677332, 7354664, 111479119, 222958238, 445916476, 891832952, 2564019737, 5128039474, 10256078948, 20512157896]

約数ペア:

[(1, 20512157896), (2, 10256078948), (4, 5128039474), (8, 2564019737), (23, 891832952), (46, 445916476), (92, 222958238), (184, 111479119), (2789, 7354664), (5578, 3677332), (11156, 1838666), (22312, 919333), (39971, 513176), (64147, 319768), (79942, 256588), (128294, 159884)]