20504964236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{474169}}^1$

素因数の和:474761

約数の個数: 24

約数和(自身を含む): 37838766000

約数和(自身を除く): 17333801764

約数列:

[1, 2, 4, 19, 38, 76, 569, 1138, 2276, 10811, 21622, 43244, 474169, 948338, 1896676, 9009211, 18018422, 36036844, 269802161, 539604322, 1079208644, 5126241059, 10252482118, 20504964236]

約数ペア:

[(1, 20504964236), (2, 10252482118), (4, 5126241059), (19, 1079208644), (38, 539604322), (76, 269802161), (569, 36036844), (1138, 18018422), (2276, 9009211), (10811, 1896676), (21622, 948338), (43244, 474169)]