20444516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3643}}^1$

素因数の和:3731

約数の個数: 24

約数和(自身を含む): 37955904

約数和(自身を除く): 17511388

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 3643, 5612, 7286, 14572, 83789, 167578, 222223, 335156, 444446, 888892, 5111129, 10222258, 20444516]

約数ペア:

[(1, 20444516), (2, 10222258), (4, 5111129), (23, 888892), (46, 444446), (61, 335156), (92, 222223), (122, 167578), (244, 83789), (1403, 14572), (2806, 7286), (3643, 5612)]