20574416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67679}}^1$

素因数の和:67706

約数の個数: 20

約数和(自身を含む): 41961600

約数和(自身を除く): 21387184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67679, 135358, 270716, 541432, 1082864, 1285901, 2571802, 5143604, 10287208, 20574416]

約数ペア:

[(1, 20574416), (2, 10287208), (4, 5143604), (8, 2571802), (16, 1285901), (19, 1082864), (38, 541432), (76, 270716), (152, 135358), (304, 67679)]