20818762

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{541}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 31843584

約数和(自身を除く): 11024822

約数列:

[1, 2, 71, 142, 271, 541, 542, 1082, 19241, 38411, 38482, 76822, 146611, 293222, 10409381, 20818762]

約数ペア:

[(1, 20818762), (2, 10409381), (71, 293222), (142, 146611), (271, 76822), (541, 38482), (542, 38411), (1082, 19241)]