20218557104

素因数分解:

$2^4\times {\mathrm{3389}}^1\times {\mathrm{372871}}^1$

素因数の和:376268

約数の個数: 20

約数和(自身を含む): 39185118480

約数和(自身を除く): 18966561376

約数列:

[1, 2, 4, 8, 16, 3389, 6778, 13556, 27112, 54224, 372871, 745742, 1491484, 2982968, 5965936, 1263659819, 2527319638, 5054639276, 10109278552, 20218557104]

約数ペア:

[(1, 20218557104), (2, 10109278552), (4, 5054639276), (8, 2527319638), (16, 1263659819), (3389, 5965936), (6778, 2982968), (13556, 1491484), (27112, 745742), (54224, 372871)]