20975670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6299}}^1$

素因数の和:6349

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 35043930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 6299, 12598, 18897, 31495, 37794, 56691, 62990, 94485, 113382, 188970, 233063, 283455, 466126, 566910, 699189, 1165315, 1398378, 2097567, 2330630, 3495945, 4195134, 6991890, 10487835, 20975670]

約数ペア:

[(1, 20975670), (2, 10487835), (3, 6991890), (5, 4195134), (6, 3495945), (9, 2330630), (10, 2097567), (15, 1398378), (18, 1165315), (30, 699189), (37, 566910), (45, 466126), (74, 283455), (90, 233063), (111, 188970), (185, 113382), (222, 94485), (333, 62990), (370, 56691), (555, 37794), (666, 31495), (1110, 18897), (1665, 12598), (3330, 6299)]