20550044

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{761}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 37081968

約数和(自身を除く): 16531924

約数列:

[1, 2, 4, 43, 86, 157, 172, 314, 628, 761, 1522, 3044, 6751, 13502, 27004, 32723, 65446, 119477, 130892, 238954, 477908, 5137511, 10275022, 20550044]

約数ペア:

[(1, 20550044), (2, 10275022), (4, 5137511), (43, 477908), (86, 238954), (157, 130892), (172, 119477), (314, 65446), (628, 32723), (761, 27004), (1522, 13502), (3044, 6751)]