20017144

素因数分解:

$2^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1319}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 23067656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 271, 542, 1084, 1319, 1897, 2168, 2638, 3794, 5276, 7588, 9233, 10552, 15176, 18466, 36932, 73864, 357449, 714898, 1429796, 2502143, 2859592, 5004286, 10008572, 20017144]

約数ペア:

[(1, 20017144), (2, 10008572), (4, 5004286), (7, 2859592), (8, 2502143), (14, 1429796), (28, 714898), (56, 357449), (271, 73864), (542, 36932), (1084, 18466), (1319, 15176), (1897, 10552), (2168, 9233), (2638, 7588), (3794, 5276)]