20705755

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 9061925

約数列:

[1, 5, 7, 35, 37, 59, 185, 259, 271, 295, 413, 1295, 1355, 1897, 2065, 2183, 9485, 10027, 10915, 15281, 15989, 50135, 70189, 76405, 79945, 111923, 350945, 559615, 591593, 2957965, 4141151, 20705755]

約数ペア:

[(1, 20705755), (5, 4141151), (7, 2957965), (35, 591593), (37, 559615), (59, 350945), (185, 111923), (259, 79945), (271, 76405), (295, 70189), (413, 50135), (1295, 15989), (1355, 15281), (1897, 10915), (2065, 10027), (2183, 9485)]