20822216

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49109}}^1$

素因数の和:49168

約数の個数: 16

約数和(自身を含む): 39779100

約数和(自身を除く): 18956884

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49109, 98218, 196436, 392872, 2602777, 5205554, 10411108, 20822216]

約数ペア:

[(1, 20822216), (2, 10411108), (4, 5205554), (8, 2602777), (53, 392872), (106, 196436), (212, 98218), (424, 49109)]