20759872

素因数分解:

$2^6\times 7^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:479

約数の個数: 56

約数和(自身を含む): 47548800

約数和(自身を除く): 26788928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 149, 224, 298, 311, 448, 596, 622, 1043, 1192, 1244, 2086, 2177, 2384, 2488, 4172, 4354, 4768, 4976, 8344, 8708, 9536, 9952, 16688, 17416, 19904, 33376, 34832, 46339, 66752, 69664, 92678, 139328, 185356, 324373, 370712, 648746, 741424, 1297492, 1482848, 2594984, 2965696, 5189968, 10379936, 20759872]

約数ペア:

[(1, 20759872), (2, 10379936), (4, 5189968), (7, 2965696), (8, 2594984), (14, 1482848), (16, 1297492), (28, 741424), (32, 648746), (56, 370712), (64, 324373), (112, 185356), (149, 139328), (224, 92678), (298, 69664), (311, 66752), (448, 46339), (596, 34832), (622, 33376), (1043, 19904), (1192, 17416), (1244, 16688), (2086, 9952), (2177, 9536), (2384, 8708), (2488, 8344), (4172, 4976), (4354, 4768)]