20480866

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6121}}^1$

素因数の和:6369

約数の個数: 16

約数和(自身を含む): 35262720

約数和(自身を除く): 14781854

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 6121, 12242, 42847, 85694, 1462919, 2925838, 10240433, 20480866]

約数ペア:

[(1, 20480866), (2, 10240433), (7, 2925838), (14, 1462919), (239, 85694), (478, 42847), (1673, 12242), (3346, 6121)]