20918844

素因数分解:

$2^2\times 3^3\times {\mathrm{109}}^1\times {\mathrm{1777}}^1$

素因数の和:1899

約数の個数: 48

約数和(自身を含む): 54762400

約数和(自身を除く): 33843556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 109, 218, 327, 436, 654, 981, 1308, 1777, 1962, 2943, 3554, 3924, 5331, 5886, 7108, 10662, 11772, 15993, 21324, 31986, 47979, 63972, 95958, 191916, 193693, 387386, 581079, 774772, 1162158, 1743237, 2324316, 3486474, 5229711, 6972948, 10459422, 20918844]

約数ペア:

[(1, 20918844), (2, 10459422), (3, 6972948), (4, 5229711), (6, 3486474), (9, 2324316), (12, 1743237), (18, 1162158), (27, 774772), (36, 581079), (54, 387386), (108, 193693), (109, 191916), (218, 95958), (327, 63972), (436, 47979), (654, 31986), (981, 21324), (1308, 15993), (1777, 11772), (1962, 10662), (2943, 7108), (3554, 5886), (3924, 5331)]