20853647941

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{25423}}^1$

素因数の和:25621

約数の個数: 32

約数和(自身を含む): 25876343808

約数和(自身を除く): 5022695867

約数列:

[1, 7, 17, 61, 113, 119, 427, 791, 1037, 1921, 6893, 7259, 13447, 25423, 48251, 117181, 177961, 432191, 820267, 1550803, 2872799, 3025337, 10855621, 20109593, 26363651, 48837583, 175240739, 184545557, 341863081, 1226685173, 2979092563, 20853647941]

約数ペア:

[(1, 20853647941), (7, 2979092563), (17, 1226685173), (61, 341863081), (113, 184545557), (119, 175240739), (427, 48837583), (791, 26363651), (1037, 20109593), (1921, 10855621), (6893, 3025337), (7259, 2872799), (13447, 1550803), (25423, 820267), (48251, 432191), (117181, 177961)]