20736540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3491}}^1$

素因数の和:3520

約数の個数: 96

約数和(自身を含む): 70398720

約数和(自身を除く): 49662180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3491, 5940, 6982, 10473, 13964, 17455, 20946, 31419, 34910, 38401, 41892, 52365, 62838, 69820, 76802, 94257, 104730, 115203, 125676, 153604, 157095, 188514, 192005, 209460, 230406, 314190, 345609, 377028, 384010, 460812, 471285, 576015, 628380, 691218, 768020, 942570, 1036827, 1152030, 1382436, 1728045, 1885140, 2073654, 2304060, 3456090, 4147308, 5184135, 6912180, 10368270, 20736540]

約数ペア:

[(1, 20736540), (2, 10368270), (3, 6912180), (4, 5184135), (5, 4147308), (6, 3456090), (9, 2304060), (10, 2073654), (11, 1885140), (12, 1728045), (15, 1382436), (18, 1152030), (20, 1036827), (22, 942570), (27, 768020), (30, 691218), (33, 628380), (36, 576015), (44, 471285), (45, 460812), (54, 384010), (55, 377028), (60, 345609), (66, 314190), (90, 230406), (99, 209460), (108, 192005), (110, 188514), (132, 157095), (135, 153604), (165, 125676), (180, 115203), (198, 104730), (220, 94257), (270, 76802), (297, 69820), (330, 62838), (396, 52365), (495, 41892), (540, 38401), (594, 34910), (660, 31419), (990, 20946), (1188, 17455), (1485, 13964), (1980, 10473), (2970, 6982), (3491, 5940)]