20201402224

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66451981}}^1$

素因数の和:66452008

約数の個数: 20

約数和(自身を含む): 41200228840

約数和(自身を除く): 20998826616

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66451981, 132903962, 265807924, 531615848, 1063231696, 1262587639, 2525175278, 5050350556, 10100701112, 20201402224]

約数ペア:

[(1, 20201402224), (2, 10100701112), (4, 5050350556), (8, 2525175278), (16, 1262587639), (19, 1063231696), (38, 531615848), (76, 265807924), (152, 132903962), (304, 66451981)]