20802540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:799

約数の個数: 96

約数和(自身を含む): 65108736

約数和(自身を除く): 44306196

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 430, 473, 516, 645, 660, 733, 860, 946, 1290, 1419, 1466, 1892, 2199, 2365, 2580, 2838, 2932, 3665, 4398, 4730, 5676, 7095, 7330, 8063, 8796, 9460, 10995, 14190, 14660, 16126, 21990, 24189, 28380, 31519, 32252, 40315, 43980, 48378, 63038, 80630, 94557, 96756, 120945, 126076, 157595, 161260, 189114, 241890, 315190, 346709, 378228, 472785, 483780, 630380, 693418, 945570, 1040127, 1386836, 1733545, 1891140, 2080254, 3467090, 4160508, 5200635, 6934180, 10401270, 20802540]

約数ペア:

[(1, 20802540), (2, 10401270), (3, 6934180), (4, 5200635), (5, 4160508), (6, 3467090), (10, 2080254), (11, 1891140), (12, 1733545), (15, 1386836), (20, 1040127), (22, 945570), (30, 693418), (33, 630380), (43, 483780), (44, 472785), (55, 378228), (60, 346709), (66, 315190), (86, 241890), (110, 189114), (129, 161260), (132, 157595), (165, 126076), (172, 120945), (215, 96756), (220, 94557), (258, 80630), (330, 63038), (430, 48378), (473, 43980), (516, 40315), (645, 32252), (660, 31519), (733, 28380), (860, 24189), (946, 21990), (1290, 16126), (1419, 14660), (1466, 14190), (1892, 10995), (2199, 9460), (2365, 8796), (2580, 8063), (2838, 7330), (2932, 7095), (3665, 5676), (4398, 4730)]