20777952

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16649}}^1$

素因数の和:16675

約数の個数: 48

約数和(自身を含む): 58741200

約数和(自身を除く): 37963248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16649, 33298, 49947, 66596, 99894, 133192, 199788, 216437, 266384, 399576, 432874, 532768, 649311, 799152, 865748, 1298622, 1598304, 1731496, 2597244, 3462992, 5194488, 6925984, 10388976, 20777952]

約数ペア:

[(1, 20777952), (2, 10388976), (3, 6925984), (4, 5194488), (6, 3462992), (8, 2597244), (12, 1731496), (13, 1598304), (16, 1298622), (24, 865748), (26, 799152), (32, 649311), (39, 532768), (48, 432874), (52, 399576), (78, 266384), (96, 216437), (104, 199788), (156, 133192), (208, 99894), (312, 66596), (416, 49947), (624, 33298), (1248, 16649)]