20699808

素因数分解:

$2^5\times 3^1\times {\mathrm{257}}^1\times {\mathrm{839}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 54613440

約数和(自身を除く): 33913632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 257, 514, 771, 839, 1028, 1542, 1678, 2056, 2517, 3084, 3356, 4112, 5034, 6168, 6712, 8224, 10068, 12336, 13424, 20136, 24672, 26848, 40272, 80544, 215623, 431246, 646869, 862492, 1293738, 1724984, 2587476, 3449968, 5174952, 6899936, 10349904, 20699808]

約数ペア:

[(1, 20699808), (2, 10349904), (3, 6899936), (4, 5174952), (6, 3449968), (8, 2587476), (12, 1724984), (16, 1293738), (24, 862492), (32, 646869), (48, 431246), (96, 215623), (257, 80544), (514, 40272), (771, 26848), (839, 24672), (1028, 20136), (1542, 13424), (1678, 12336), (2056, 10068), (2517, 8224), (3084, 6712), (3356, 6168), (4112, 5034)]