20591452

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15647}}^1$

素因数の和:15705

約数の個数: 24

約数和(自身を含む): 42061824

約数和(自身を除く): 21470372

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15647, 31294, 62588, 109529, 219058, 438116, 735409, 1470818, 2941636, 5147863, 10295726, 20591452]

約数ペア:

[(1, 20591452), (2, 10295726), (4, 5147863), (7, 2941636), (14, 1470818), (28, 735409), (47, 438116), (94, 219058), (188, 109529), (329, 62588), (658, 31294), (1316, 15647)]