20977210

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{7573}}^1$

素因数の和:7857

約数の個数: 16

約数和(自身を含む): 37900296

約数和(自身を除く): 16923086

約数列:

[1, 2, 5, 10, 277, 554, 1385, 2770, 7573, 15146, 37865, 75730, 2097721, 4195442, 10488605, 20977210]

約数ペア:

[(1, 20977210), (2, 10488605), (5, 4195442), (10, 2097721), (277, 75730), (554, 37865), (1385, 15146), (2770, 7573)]