20940864

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15581}}^1$

素因数の和:15603

約数の個数: 56

約数和(自身を含む): 63325248

約数和(自身を除く): 42384384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15581, 31162, 46743, 62324, 93486, 109067, 124648, 186972, 218134, 249296, 327201, 373944, 436268, 498592, 654402, 747888, 872536, 997184, 1308804, 1495776, 1745072, 2617608, 2991552, 3490144, 5235216, 6980288, 10470432, 20940864]

約数ペア:

[(1, 20940864), (2, 10470432), (3, 6980288), (4, 5235216), (6, 3490144), (7, 2991552), (8, 2617608), (12, 1745072), (14, 1495776), (16, 1308804), (21, 997184), (24, 872536), (28, 747888), (32, 654402), (42, 498592), (48, 436268), (56, 373944), (64, 327201), (84, 249296), (96, 218134), (112, 186972), (168, 124648), (192, 109067), (224, 93486), (336, 62324), (448, 46743), (672, 31162), (1344, 15581)]