20921630235987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{65206279}}^1$

素因数の和:65206747

約数の個数: 32

約数和(自身を含む): 31695468582400

約数和(自身を除く): 10773838346413

約数列:

[1, 3, 13, 19, 39, 57, 247, 433, 741, 1299, 5629, 8227, 16887, 24681, 106951, 320853, 65206279, 195618837, 847681627, 1238919301, 2543044881, 3716757903, 16105950913, 28234318807, 48317852739, 84702956421, 367046144491, 536452057333, 1101138433473, 1609356171999, 6973876745329, 20921630235987]

約数ペア:

[(1, 20921630235987), (3, 6973876745329), (13, 1609356171999), (19, 1101138433473), (39, 536452057333), (57, 367046144491), (247, 84702956421), (433, 48317852739), (741, 28234318807), (1299, 16105950913), (5629, 3716757903), (8227, 2543044881), (16887, 1238919301), (24681, 847681627), (106951, 195618837), (320853, 65206279)]