20747482

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1667}}^1$

素因数の和:1810

約数の個数: 24

約数和(自身を含む): 36509184

約数和(自身を除く): 15761702

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1667, 1778, 3334, 6223, 11669, 12446, 23338, 81683, 163366, 211709, 423418, 1481963, 2963926, 10373741, 20747482]

約数ペア:

[(1, 20747482), (2, 10373741), (7, 2963926), (14, 1481963), (49, 423418), (98, 211709), (127, 163366), (254, 81683), (889, 23338), (1667, 12446), (1778, 11669), (3334, 6223)]