20077480

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4691}}^1$

素因数の和:4809

約数の個数: 32

約数和(自身を含む): 45606240

約数和(自身を除く): 25528760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4691, 9382, 18764, 23455, 37528, 46910, 93820, 187640, 501937, 1003874, 2007748, 2509685, 4015496, 5019370, 10038740, 20077480]

約数ペア:

[(1, 20077480), (2, 10038740), (4, 5019370), (5, 4015496), (8, 2509685), (10, 2007748), (20, 1003874), (40, 501937), (107, 187640), (214, 93820), (428, 46910), (535, 37528), (856, 23455), (1070, 18764), (2140, 9382), (4280, 4691)]