20278560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:610

約数の個数: 96

約数和(自身を含む): 64774080

約数和(自身を除く): 44495520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 83, 96, 120, 160, 166, 240, 249, 332, 415, 480, 498, 509, 664, 830, 996, 1018, 1245, 1328, 1527, 1660, 1992, 2036, 2490, 2545, 2656, 3054, 3320, 3984, 4072, 4980, 5090, 6108, 6640, 7635, 7968, 8144, 9960, 10180, 12216, 13280, 15270, 16288, 19920, 20360, 24432, 30540, 39840, 40720, 42247, 48864, 61080, 81440, 84494, 122160, 126741, 168988, 211235, 244320, 253482, 337976, 422470, 506964, 633705, 675952, 844940, 1013928, 1267410, 1351904, 1689880, 2027856, 2534820, 3379760, 4055712, 5069640, 6759520, 10139280, 20278560]

約数ペア:

[(1, 20278560), (2, 10139280), (3, 6759520), (4, 5069640), (5, 4055712), (6, 3379760), (8, 2534820), (10, 2027856), (12, 1689880), (15, 1351904), (16, 1267410), (20, 1013928), (24, 844940), (30, 675952), (32, 633705), (40, 506964), (48, 422470), (60, 337976), (80, 253482), (83, 244320), (96, 211235), (120, 168988), (160, 126741), (166, 122160), (240, 84494), (249, 81440), (332, 61080), (415, 48864), (480, 42247), (498, 40720), (509, 39840), (664, 30540), (830, 24432), (996, 20360), (1018, 19920), (1245, 16288), (1328, 15270), (1527, 13280), (1660, 12216), (1992, 10180), (2036, 9960), (2490, 8144), (2545, 7968), (2656, 7635), (3054, 6640), (3320, 6108), (3984, 5090), (4072, 4980)]