20756280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172969}}^1$

素因数の和:172983

約数の個数: 32

約数和(自身を含む): 62269200

約数和(自身を除く): 41512920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172969, 345938, 518907, 691876, 864845, 1037814, 1383752, 1729690, 2075628, 2594535, 3459380, 4151256, 5189070, 6918760, 10378140, 20756280]

約数ペア:

[(1, 20756280), (2, 10378140), (3, 6918760), (4, 5189070), (5, 4151256), (6, 3459380), (8, 2594535), (10, 2075628), (12, 1729690), (15, 1383752), (20, 1037814), (24, 864845), (30, 691876), (40, 518907), (60, 345938), (120, 172969)]