20954696

素因数分解:

$2^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{977}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 45066240

約数和(自身を除く): 24111544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383, 766, 977, 1532, 1954, 2681, 3064, 3908, 5362, 6839, 7816, 10724, 13678, 21448, 27356, 54712, 374191, 748382, 1496764, 2619337, 2993528, 5238674, 10477348, 20954696]

約数ペア:

[(1, 20954696), (2, 10477348), (4, 5238674), (7, 2993528), (8, 2619337), (14, 1496764), (28, 748382), (56, 374191), (383, 54712), (766, 27356), (977, 21448), (1532, 13678), (1954, 10724), (2681, 7816), (3064, 6839), (3908, 5362)]