20205927

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4787}}^1$

素因数の和:4867

約数の個数: 24

約数和(自身を含む): 33860736

約数和(自身を除く): 13654809

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4787, 14361, 33509, 43083, 100527, 301581, 320729, 962187, 2245103, 2886561, 6735309, 20205927]

約数ペア:

[(1, 20205927), (3, 6735309), (7, 2886561), (9, 2245103), (21, 962187), (63, 320729), (67, 301581), (201, 100527), (469, 43083), (603, 33509), (1407, 14361), (4221, 4787)]