20709178

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47717}}^1$

素因数の和:47757

約数の個数: 16

約数和(自身を含む): 36647424

約数和(自身を除く): 15938246

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47717, 95434, 334019, 668038, 1479227, 2958454, 10354589, 20709178]

約数ペア:

[(1, 20709178), (2, 10354589), (7, 2958454), (14, 1479227), (31, 668038), (62, 334019), (217, 95434), (434, 47717)]