20533728

素因数分解:

$2^5\times 3^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2119

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 33898272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 107, 214, 321, 428, 642, 856, 1284, 1712, 1999, 2568, 3424, 3998, 5136, 5997, 7996, 10272, 11994, 15992, 23988, 31984, 47976, 63968, 95952, 191904, 213893, 427786, 641679, 855572, 1283358, 1711144, 2566716, 3422288, 5133432, 6844576, 10266864, 20533728]

約数ペア:

[(1, 20533728), (2, 10266864), (3, 6844576), (4, 5133432), (6, 3422288), (8, 2566716), (12, 1711144), (16, 1283358), (24, 855572), (32, 641679), (48, 427786), (96, 213893), (107, 191904), (214, 95952), (321, 63968), (428, 47976), (642, 31984), (856, 23988), (1284, 15992), (1712, 11994), (1999, 10272), (2568, 7996), (3424, 5997), (3998, 5136)]