20306760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 61300800

約数和(自身を除く): 40994040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 859, 985, 1182, 1576, 1718, 1970, 2364, 2577, 2955, 3436, 3940, 4295, 4728, 5154, 5910, 6872, 7880, 8590, 10308, 11820, 12885, 17180, 20616, 23640, 25770, 34360, 51540, 103080, 169223, 338446, 507669, 676892, 846115, 1015338, 1353784, 1692230, 2030676, 2538345, 3384460, 4061352, 5076690, 6768920, 10153380, 20306760]

約数ペア:

[(1, 20306760), (2, 10153380), (3, 6768920), (4, 5076690), (5, 4061352), (6, 3384460), (8, 2538345), (10, 2030676), (12, 1692230), (15, 1353784), (20, 1015338), (24, 846115), (30, 676892), (40, 507669), (60, 338446), (120, 169223), (197, 103080), (394, 51540), (591, 34360), (788, 25770), (859, 23640), (985, 20616), (1182, 17180), (1576, 12885), (1718, 11820), (1970, 10308), (2364, 8590), (2577, 7880), (2955, 6872), (3436, 5910), (3940, 5154), (4295, 4728)]