20904973654

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{61091}}^1$

素因数の和:61332

約数の個数: 32

約数和(自身を含む): 33675865344

約数和(自身を除く): 12770891690

約数列:

[1, 2, 23, 43, 46, 86, 173, 346, 989, 1978, 3979, 7439, 7958, 14878, 61091, 122182, 171097, 342194, 1405093, 2626913, 2810186, 5253826, 10568743, 21137486, 60418999, 120837998, 243081089, 454455949, 486162178, 908911898, 10452486827, 20904973654]

約数ペア:

[(1, 20904973654), (2, 10452486827), (23, 908911898), (43, 486162178), (46, 454455949), (86, 243081089), (173, 120837998), (346, 60418999), (989, 21137486), (1978, 10568743), (3979, 5253826), (7439, 2810186), (7958, 2626913), (14878, 1405093), (61091, 342194), (122182, 171097)]