20847016

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{827}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 41135040

約数和(自身を除く): 20288024

約数列:

[1, 2, 4, 8, 23, 46, 92, 137, 184, 274, 548, 827, 1096, 1654, 3151, 3308, 6302, 6616, 12604, 19021, 25208, 38042, 76084, 113299, 152168, 226598, 453196, 906392, 2605877, 5211754, 10423508, 20847016]

約数ペア:

[(1, 20847016), (2, 10423508), (4, 5211754), (8, 2605877), (23, 906392), (46, 453196), (92, 226598), (137, 152168), (184, 113299), (274, 76084), (548, 38042), (827, 25208), (1096, 19021), (1654, 12604), (3151, 6616), (3308, 6302)]