20814908

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3709}}^1$

素因数の和:3797

約数の個数: 24

約数和(自身を含む): 38643360

約数和(自身を除く): 17828452

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 3709, 5612, 7418, 14836, 85307, 170614, 226249, 341228, 452498, 904996, 5203727, 10407454, 20814908]

約数ペア:

[(1, 20814908), (2, 10407454), (4, 5203727), (23, 904996), (46, 452498), (61, 341228), (92, 226249), (122, 170614), (244, 85307), (1403, 14836), (2806, 7418), (3709, 5612)]