20497220944

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4172887}}^1$

素因数の和:4173202

約数の個数: 20

約数和(自身を含む): 39842734624

約数和(自身を除く): 19345513680

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 4172887, 8345774, 16691548, 33383096, 66766192, 1281076309, 2562152618, 5124305236, 10248610472, 20497220944]

約数ペア:

[(1, 20497220944), (2, 10248610472), (4, 5124305236), (8, 2562152618), (16, 1281076309), (307, 66766192), (614, 33383096), (1228, 16691548), (2456, 8345774), (4912, 4172887)]