20951520896

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3806599}}^1$

素因数の和:3806656

約数の個数: 32

約数和(自身を含む): 42710052000

約数和(自身を除く): 21758531104

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 5504, 3806599, 7613198, 15226396, 30452792, 60905584, 121811168, 163683757, 243622336, 327367514, 487244672, 654735028, 1309470056, 2618940112, 5237880224, 10475760448, 20951520896]

約数ペア:

[(1, 20951520896), (2, 10475760448), (4, 5237880224), (8, 2618940112), (16, 1309470056), (32, 654735028), (43, 487244672), (64, 327367514), (86, 243622336), (128, 163683757), (172, 121811168), (344, 60905584), (688, 30452792), (1376, 15226396), (2752, 7613198), (5504, 3806599)]