20565406029

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1257131}}^1$

素因数の和:1257201

約数の個数: 32

約数和(自身を含む): 33791708160

約数和(自身を除く): 13226302131

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 2337, 5453, 16359, 1257131, 3771393, 8799917, 23885489, 26399751, 51542371, 71656467, 154627113, 167198423, 360796597, 501595269, 979305049, 1082389791, 2937915147, 6855135343, 20565406029]

約数ペア:

[(1, 20565406029), (3, 6855135343), (7, 2937915147), (19, 1082389791), (21, 979305049), (41, 501595269), (57, 360796597), (123, 167198423), (133, 154627113), (287, 71656467), (399, 51542371), (779, 26399751), (861, 23885489), (2337, 8799917), (5453, 3771393), (16359, 1257131)]