20902712

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23971}}^1$

素因数の和:24086

約数の個数: 16

約数和(自身を含む): 39553800

約数和(自身を除く): 18651088

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23971, 47942, 95884, 191768, 2612839, 5225678, 10451356, 20902712]

約数ペア:

[(1, 20902712), (2, 10451356), (4, 5225678), (8, 2612839), (109, 191768), (218, 95884), (436, 47942), (872, 23971)]