20369760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42437}}^1$

素因数の和:42455

約数の個数: 48

約数和(自身を含む): 64166256

約数和(自身を除く): 43796496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42437, 84874, 127311, 169748, 212185, 254622, 339496, 424370, 509244, 636555, 678992, 848740, 1018488, 1273110, 1357984, 1697480, 2036976, 2546220, 3394960, 4073952, 5092440, 6789920, 10184880, 20369760]

約数ペア:

[(1, 20369760), (2, 10184880), (3, 6789920), (4, 5092440), (5, 4073952), (6, 3394960), (8, 2546220), (10, 2036976), (12, 1697480), (15, 1357984), (16, 1273110), (20, 1018488), (24, 848740), (30, 678992), (32, 636555), (40, 509244), (48, 424370), (60, 339496), (80, 254622), (96, 212185), (120, 169748), (160, 127311), (240, 84874), (480, 42437)]