20128099568

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2258539}}^1$

素因数の和:2259104

約数の個数: 20

約数和(自身を含む): 39068224920

約数和(自身を除く): 18940125352

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 2258539, 4517078, 9034156, 18068312, 36136624, 1258006223, 2516012446, 5032024892, 10064049784, 20128099568]

約数ペア:

[(1, 20128099568), (2, 10064049784), (4, 5032024892), (8, 2516012446), (16, 1258006223), (557, 36136624), (1114, 18068312), (2228, 9034156), (4456, 4517078), (8912, 2258539)]