20656680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15649}}^1$

素因数の和:15674

約数の個数: 64

約数和(自身を含む): 67608000

約数和(自身を除く): 46951320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15649, 31298, 46947, 62596, 78245, 93894, 125192, 156490, 172139, 187788, 234735, 312980, 344278, 375576, 469470, 516417, 625960, 688556, 860695, 938940, 1032834, 1377112, 1721390, 1877880, 2065668, 2582085, 3442780, 4131336, 5164170, 6885560, 10328340, 20656680]

約数ペア:

[(1, 20656680), (2, 10328340), (3, 6885560), (4, 5164170), (5, 4131336), (6, 3442780), (8, 2582085), (10, 2065668), (11, 1877880), (12, 1721390), (15, 1377112), (20, 1032834), (22, 938940), (24, 860695), (30, 688556), (33, 625960), (40, 516417), (44, 469470), (55, 375576), (60, 344278), (66, 312980), (88, 234735), (110, 187788), (120, 172139), (132, 156490), (165, 125192), (220, 93894), (264, 78245), (330, 62596), (440, 46947), (660, 31298), (1320, 15649)]