20213584

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11807}}^1$

素因数の和:11922

約数の個数: 20

約数和(自身を含む): 39533184

約数和(自身を除く): 19319600

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11807, 23614, 47228, 94456, 188912, 1263349, 2526698, 5053396, 10106792, 20213584]

約数ペア:

[(1, 20213584), (2, 10106792), (4, 5053396), (8, 2526698), (16, 1263349), (107, 188912), (214, 94456), (428, 47228), (856, 23614), (1712, 11807)]