20882070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41325930

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 79, 89, 90, 99, 110, 135, 158, 165, 178, 198, 237, 267, 270, 297, 330, 395, 445, 474, 495, 534, 594, 711, 790, 801, 869, 890, 979, 990, 1185, 1335, 1422, 1485, 1602, 1738, 1958, 2133, 2370, 2403, 2607, 2670, 2937, 2970, 3555, 4005, 4266, 4345, 4806, 4895, 5214, 5874, 7031, 7110, 7821, 8010, 8690, 8811, 9790, 10665, 12015, 13035, 14062, 14685, 15642, 17622, 21093, 21330, 23463, 24030, 26070, 26433, 29370, 35155, 39105, 42186, 44055, 46926, 52866, 63279, 70310, 77341, 78210, 88110, 105465, 117315, 126558, 132165, 154682, 189837, 210930, 232023, 234630, 264330, 316395, 379674, 386705, 464046, 632790, 696069, 773410, 949185, 1160115, 1392138, 1898370, 2088207, 2320230, 3480345, 4176414, 6960690, 10441035, 20882070]

約数ペア:

[(1, 20882070), (2, 10441035), (3, 6960690), (5, 4176414), (6, 3480345), (9, 2320230), (10, 2088207), (11, 1898370), (15, 1392138), (18, 1160115), (22, 949185), (27, 773410), (30, 696069), (33, 632790), (45, 464046), (54, 386705), (55, 379674), (66, 316395), (79, 264330), (89, 234630), (90, 232023), (99, 210930), (110, 189837), (135, 154682), (158, 132165), (165, 126558), (178, 117315), (198, 105465), (237, 88110), (267, 78210), (270, 77341), (297, 70310), (330, 63279), (395, 52866), (445, 46926), (474, 44055), (495, 42186), (534, 39105), (594, 35155), (711, 29370), (790, 26433), (801, 26070), (869, 24030), (890, 23463), (979, 21330), (990, 21093), (1185, 17622), (1335, 15642), (1422, 14685), (1485, 14062), (1602, 13035), (1738, 12015), (1958, 10665), (2133, 9790), (2370, 8811), (2403, 8690), (2607, 8010), (2670, 7821), (2937, 7110), (2970, 7031), (3555, 5874), (4005, 5214), (4266, 4895), (4345, 4806)]