20378848

素因数分解:

$2^5\times 7^1\times {\mathrm{90977}}^1$

素因数の和:90994

約数の個数: 24

約数和(自身を含む): 45852912

約数和(自身を除く): 25474064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90977, 181954, 363908, 636839, 727816, 1273678, 1455632, 2547356, 2911264, 5094712, 10189424, 20378848]

約数ペア:

[(1, 20378848), (2, 10189424), (4, 5094712), (7, 2911264), (8, 2547356), (14, 1455632), (16, 1273678), (28, 727816), (32, 636839), (56, 363908), (112, 181954), (224, 90977)]