20836648

素因数分解:

$2^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1373}}^1$

素因数の和:1657

約数の個数: 32

約数和(自身を含む): 44847360

約数和(自身を除く): 24010712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 271, 542, 1084, 1373, 1897, 2168, 2746, 3794, 5492, 7588, 9611, 10984, 15176, 19222, 38444, 76888, 372083, 744166, 1488332, 2604581, 2976664, 5209162, 10418324, 20836648]

約数ペア:

[(1, 20836648), (2, 10418324), (4, 5209162), (7, 2976664), (8, 2604581), (14, 1488332), (28, 744166), (56, 372083), (271, 76888), (542, 38444), (1084, 19222), (1373, 15176), (1897, 10984), (2168, 9611), (2746, 7588), (3794, 5492)]