20386408

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9839}}^1$

素因数の和:9889

約数の個数: 32

約数和(自身を含む): 44870400

約数和(自身を除く): 24483992

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9839, 19678, 39356, 68873, 78712, 137746, 275492, 364043, 550984, 728086, 1456172, 2548301, 2912344, 5096602, 10193204, 20386408]

約数ペア:

[(1, 20386408), (2, 10193204), (4, 5096602), (7, 2912344), (8, 2548301), (14, 1456172), (28, 728086), (37, 550984), (56, 364043), (74, 275492), (148, 137746), (259, 78712), (296, 68873), (518, 39356), (1036, 19678), (2072, 9839)]