20370070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{733}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 42067008

約数和(自身を除く): 21696938

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 733, 794, 1466, 1985, 2779, 3665, 3970, 5131, 5558, 7330, 10262, 13895, 25655, 27790, 51310, 291001, 582002, 1455005, 2037007, 2910010, 4074014, 10185035, 20370070]

約数ペア:

[(1, 20370070), (2, 10185035), (5, 4074014), (7, 2910010), (10, 2037007), (14, 1455005), (35, 582002), (70, 291001), (397, 51310), (733, 27790), (794, 25655), (1466, 13895), (1985, 10262), (2779, 7330), (3665, 5558), (3970, 5131)]