20889368

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29339}}^1$

素因数の和:29434

約数の個数: 16

約数和(自身を含む): 39609000

約数和(自身を除く): 18719632

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29339, 58678, 117356, 234712, 2611171, 5222342, 10444684, 20889368]

約数ペア:

[(1, 20889368), (2, 10444684), (4, 5222342), (8, 2611171), (89, 234712), (178, 117356), (356, 58678), (712, 29339)]