20066690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{653}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 41437440

約数和(自身を除く): 21370750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 439, 653, 878, 1306, 2195, 3073, 3265, 4390, 4571, 6146, 6530, 9142, 15365, 22855, 30730, 45710, 286667, 573334, 1433335, 2006669, 2866670, 4013338, 10033345, 20066690]

約数ペア:

[(1, 20066690), (2, 10033345), (5, 4013338), (7, 2866670), (10, 2006669), (14, 1433335), (35, 573334), (70, 286667), (439, 45710), (653, 30730), (878, 22855), (1306, 15365), (2195, 9142), (3073, 6530), (3265, 6146), (4390, 4571)]