20342520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{467}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 72825480

約数和(自身を除く): 52482960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 467, 484, 495, 605, 660, 726, 792, 934, 968, 990, 1089, 1210, 1320, 1401, 1452, 1815, 1868, 1980, 2178, 2335, 2420, 2802, 2904, 3630, 3736, 3960, 4203, 4356, 4670, 4840, 5137, 5445, 5604, 7005, 7260, 8406, 8712, 9340, 10274, 10890, 11208, 14010, 14520, 15411, 16812, 18680, 20548, 21015, 21780, 25685, 28020, 30822, 33624, 41096, 42030, 43560, 46233, 51370, 56040, 56507, 61644, 77055, 84060, 92466, 102740, 113014, 123288, 154110, 168120, 169521, 184932, 205480, 226028, 231165, 282535, 308220, 339042, 369864, 452056, 462330, 508563, 565070, 616440, 678084, 847605, 924660, 1017126, 1130140, 1356168, 1695210, 1849320, 2034252, 2260280, 2542815, 3390420, 4068504, 5085630, 6780840, 10171260, 20342520]

約数ペア:

[(1, 20342520), (2, 10171260), (3, 6780840), (4, 5085630), (5, 4068504), (6, 3390420), (8, 2542815), (9, 2260280), (10, 2034252), (11, 1849320), (12, 1695210), (15, 1356168), (18, 1130140), (20, 1017126), (22, 924660), (24, 847605), (30, 678084), (33, 616440), (36, 565070), (40, 508563), (44, 462330), (45, 452056), (55, 369864), (60, 339042), (66, 308220), (72, 282535), (88, 231165), (90, 226028), (99, 205480), (110, 184932), (120, 169521), (121, 168120), (132, 154110), (165, 123288), (180, 113014), (198, 102740), (220, 92466), (242, 84060), (264, 77055), (330, 61644), (360, 56507), (363, 56040), (396, 51370), (440, 46233), (467, 43560), (484, 42030), (495, 41096), (605, 33624), (660, 30822), (726, 28020), (792, 25685), (934, 21780), (968, 21015), (990, 20548), (1089, 18680), (1210, 16812), (1320, 15411), (1401, 14520), (1452, 14010), (1815, 11208), (1868, 10890), (1980, 10274), (2178, 9340), (2335, 8712), (2420, 8406), (2802, 7260), (2904, 7005), (3630, 5604), (3736, 5445), (3960, 5137), (4203, 4840), (4356, 4670)]