20616565543

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{234511}}^1$

素因数の和:235198

約数の個数: 16

約数和(自身を含む): 24839511040

約数和(自身を除く): 4222945497

約数列:

[1, 7, 19, 133, 661, 4627, 12559, 87913, 234511, 1641577, 4455709, 31189963, 155011771, 1085082397, 2945223649, 20616565543]

約数ペア:

[(1, 20616565543), (7, 2945223649), (19, 1085082397), (133, 155011771), (661, 31189963), (4627, 4455709), (12559, 1641577), (87913, 234511)]