20257008

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{3323}}^1$

素因数の和:3461

約数の個数: 40

約数和(自身を含む): 52758528

約数和(自身を除く): 32501520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 254, 381, 508, 762, 1016, 1524, 2032, 3048, 3323, 6096, 6646, 9969, 13292, 19938, 26584, 39876, 53168, 79752, 159504, 422021, 844042, 1266063, 1688084, 2532126, 3376168, 5064252, 6752336, 10128504, 20257008]

約数ペア:

[(1, 20257008), (2, 10128504), (3, 6752336), (4, 5064252), (6, 3376168), (8, 2532126), (12, 1688084), (16, 1266063), (24, 844042), (48, 422021), (127, 159504), (254, 79752), (381, 53168), (508, 39876), (762, 26584), (1016, 19938), (1524, 13292), (2032, 9969), (3048, 6646), (3323, 6096)]