20859420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1559}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 37846500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 1559, 2230, 2676, 3118, 3345, 4460, 4677, 6236, 6690, 7795, 9354, 13380, 15590, 18708, 23385, 31180, 46770, 93540, 347657, 695314, 1042971, 1390628, 1738285, 2085942, 3476570, 4171884, 5214855, 6953140, 10429710, 20859420]

約数ペア:

[(1, 20859420), (2, 10429710), (3, 6953140), (4, 5214855), (5, 4171884), (6, 3476570), (10, 2085942), (12, 1738285), (15, 1390628), (20, 1042971), (30, 695314), (60, 347657), (223, 93540), (446, 46770), (669, 31180), (892, 23385), (1115, 18708), (1338, 15590), (1559, 13380), (2230, 9354), (2676, 7795), (3118, 6690), (3345, 6236), (4460, 4677)]