20937570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5021}}^1$

素因数の和:5170

約数の個数: 32

約数和(自身を含む): 50621760

約数和(自身を除く): 29684190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5021, 10042, 15063, 25105, 30126, 50210, 75315, 150630, 697919, 1395838, 2093757, 3489595, 4187514, 6979190, 10468785, 20937570]

約数ペア:

[(1, 20937570), (2, 10468785), (3, 6979190), (5, 4187514), (6, 3489595), (10, 2093757), (15, 1395838), (30, 697919), (139, 150630), (278, 75315), (417, 50210), (695, 30126), (834, 25105), (1390, 15063), (2085, 10042), (4170, 5021)]