20904776

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{14437}}^1$

素因数の和:14624

約数の個数: 16

約数和(自身を含む): 39415740

約数和(自身を除く): 18510964

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 14437, 28874, 57748, 115496, 2613097, 5226194, 10452388, 20904776]

約数ペア:

[(1, 20904776), (2, 10452388), (4, 5226194), (8, 2613097), (181, 115496), (362, 57748), (724, 28874), (1448, 14437)]