20199428181

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{384773}}^1$

素因数の和:385105

約数の個数: 24

約数和(自身を含む): 30812701920

約数和(自身を除く): 10613273739

約数列:

[1, 3, 9, 19, 57, 171, 307, 921, 2763, 5833, 17499, 52497, 384773, 1154319, 3462957, 7310687, 21932061, 65796183, 118125311, 354375933, 1063127799, 2244380909, 6733142727, 20199428181]

約数ペア:

[(1, 20199428181), (3, 6733142727), (9, 2244380909), (19, 1063127799), (57, 354375933), (171, 118125311), (307, 65796183), (921, 21932061), (2763, 7310687), (5833, 3462957), (17499, 1154319), (52497, 384773)]