20402504

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134227}}^1$

素因数の和:134252

約数の個数: 16

約数和(自身を含む): 40268400

約数和(自身を除く): 19865896

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134227, 268454, 536908, 1073816, 2550313, 5100626, 10201252, 20402504]

約数ペア:

[(1, 20402504), (2, 10201252), (4, 5100626), (8, 2550313), (19, 1073816), (38, 536908), (76, 268454), (152, 134227)]