20547424

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 43355088

約数和(自身を除く): 22807664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 107, 136, 214, 272, 353, 428, 544, 706, 856, 1412, 1712, 1819, 2824, 3424, 3638, 5648, 6001, 7276, 11296, 12002, 14552, 24004, 29104, 37771, 48008, 58208, 75542, 96016, 151084, 192032, 302168, 604336, 642107, 1208672, 1284214, 2568428, 5136856, 10273712, 20547424]

約数ペア:

[(1, 20547424), (2, 10273712), (4, 5136856), (8, 2568428), (16, 1284214), (17, 1208672), (32, 642107), (34, 604336), (68, 302168), (107, 192032), (136, 151084), (214, 96016), (272, 75542), (353, 58208), (428, 48008), (544, 37771), (706, 29104), (856, 24004), (1412, 14552), (1712, 12002), (1819, 11296), (2824, 7276), (3424, 6001), (3638, 5648)]