20205584

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{809}}^1$

素因数の和:1047

約数の個数: 40

約数和(自身を含む): 44997120

約数和(自身を除く): 24791536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 809, 892, 1561, 1618, 1784, 3122, 3236, 3568, 5663, 6244, 6472, 11326, 12488, 12944, 22652, 24976, 45304, 90608, 180407, 360814, 721628, 1262849, 1443256, 2525698, 2886512, 5051396, 10102792, 20205584]

約数ペア:

[(1, 20205584), (2, 10102792), (4, 5051396), (7, 2886512), (8, 2525698), (14, 1443256), (16, 1262849), (28, 721628), (56, 360814), (112, 180407), (223, 90608), (446, 45304), (809, 24976), (892, 22652), (1561, 12944), (1618, 12488), (1784, 11326), (3122, 6472), (3236, 6244), (3568, 5663)]